Check user last online email notification jobs

I faced some issues related to send email on gmail smtp. please check attached file. please ping me who has rich experience in sending email on fastapi using gmail smtp.

I have a data verification need where you'll meticulously check and confirm the accuracy of text data. The scope of the project will cover a small volume, specifically in the range of 1-100 pages. Skills and Experience: - Previous experience in data verification tasks - Attention to detail - Highly organized - Excellent command of English to ensure correct verification of text data Note: The success of this project heavily relies on precision and accuracy. We're looking for an individual who possesses an innate knack for spotting inconsistencies and errors.

I'm looking for a skilled email marketing expert to create a Vipre Email security campaign aimed at small business owners. Key Requirements: - Utilize Outlook: You should have experience working with Outlook as the platform for your email campaigns. - Awareness Goal: The primary aim of this campaign is to heighten awareness of email security among small business owners. Ideal Skills: - Proficiency in email marketing, particularly using Outlook - Understanding of security best practices - Ability to tailor messaging for a business audience - Experience in creating effective awareness campaigns Please provide examples of previous campaigns you have worked on, particularly those aimed at increasing awareness and targeting small businesses.

I am looking for a professional web designer/developer to create an efficient email submission form for my website. This form should successfully obtain the user's phone number and email address. Necessary skills and experience: - Web development with a focus on form design and functionality - Previous experience in data capture, specifically phone numbers and emails - A robust understanding of data privacy The completed form should immediately send the entered data (phone and email) directly to my email: - A process for testing and ensuring that this function works flawlessly will be necessary Please ensure the form design is user-friendly and visually appealing. familiarity with user interface and experience design is a bonus. Lookin...

I urgently require a Wordpress developer to address a recent security breach on my website. The site was hacked, and I received a notification from a security provider regarding this. The primary goal is to remove the malware and secure the website to prevent future attacks. Key Tasks: - Identify the extent of the breach and locate the malware. - Completely remove all malware, malicious code, and backdoors. - Implement security protocols and measures to fortify the site from future breaches. Requirements: - Proven experience in restoring hacked Wordpress sites and proficient in malware removal. - Expertise in security and best practices to prevent cyber-attacks. - Excellent communication skills and a proactive approach to problem-solving. Your expertise is urgently needed to r...

I am in need of a virtual assistant to help me manage my emails on a daily basis. The successful applicant will be responsible for: - Handling less than 50 emails daily - Responding to emails based on provided templates Ideal candidates for this role should have: - Previous experience in email management - Excellent organizational and time management skills - Great attention to detail - Ability to work autonomously - Strong communication skills Looking forward to receiving your bids.

I am looking for a professional who can assist in setting up a successful purchase tag for Google Ads and ensuring the proper conversion reporting. Key Requirements: - Set up a purchase tag for Google Ads as currently not working. - Ensure the purchase tag is tracking effect...as intended. Ideal Skills and Experience: - Proficient in Google Ads and conversion tracking. - Experience in setting up purchase tags for e-commerce websites. - Strong attention to detail to ensure accurate reporting. This project requires someone who is meticulous, experienced, and familiar with the intricacies of Google Ads and conversion tracking. Ideally set up Adwords reporting just to check CPA for purchase only. Maybe quick overview of client account to see if can see anything that could be improve...

I need a python software that can find emails from LinkedIn Sales Navigator URLs. The emails need to be in Excel format. What I Need in Excel: - Name of the person - Email - Location - Designation Procedure: - I shall enter sales navigator ulr where multiple leads in pagination format displayes. - Software will pick each person url and find out his email (personal/professional) - Add that record along with above fields in excel sheet. Make sure software must not stuck, and i shall clear the payment after testing couple of days. Ideal Skills: - Proficiency in Python. - Experience in web scraping, particularly with LinkedIn URLs. - Familiarity with data manipulation in Excel files. This project is ideal for someone with a strong background in Python and web scraping. The s...

I'm looking for someone to help me create a list of 2000 industry specific business contacts, particularly names, company names, position, location information and email addresses. I would like this list to be compiled through online research only. Key responsibilities: - Researching and compiling a list of business contacts - Ensuring all email addresses are verified and duplicates removed. Note: The focus should be on getting accurate, up-to-date information.

We are looking for someone to create a brand kit to include: - A brand logo with at least 4 variations, all provided as high resolution files - Brand guidelines to include colour palette, fonts and font sizing - Website banners/content - Powerpoint template with a minimum of 6 slide variations - Word template - Email signature - Anything else you think might be useful! About the Company: We are a new online brand providing HR Templates to small and medium sized businesses. We want to be seen as fun, innovative and modern. Our ideal customers are foward thinking business owners who genuinely care and value the contribution of their employees. Current thinking: We're looking for something very simple, text without icon is our current preference although we are open to i...

I'm currently facing a critical problem with the email services on my server, which is configured with Cpanel and Cloudflare. All email communication, including webmail, has suddenly stopped. I need immediate assistance to resolve this issue. Key requirements and responsibilities include: - Diagnosing and fixing the email delivery problem - Ensuring that webmail services are fully operational - No error messages are being displayed, so it's crucial to identify the root cause of this issue - No recent changes have been made to the Cpanel or Cloudflare settings, which makes the issue even more perplexing The ideal candidate for this task would have: - Experience in working with Cpanel and Cloudflare - Proficiency in solving email delivery issues - Str...

hi the ppt you sent me last night has issue with second slide titled proposal, when i click on the slide show this slide is not showing me full page. my email reachmum at yahoo dot com

...should have distinct features such as: - User login and registration - Push notifications - In-app messaging - Instant task and task status updates - Task-wise inventory functionality - Task completion insights - Features to highlight incentives, with filtering options based on locality Additionally, a functional CRM system is desired for: - Monitoring customer interactions - Generating sales reports - Streamlining contact management, and - Real-time tracking of earnings and redemptions. Ideal candidates for this project should have experience in mobile app development, CRM systems, and a deep understanding of customer operations. Proficiency in developing across both iOS and Android platforms is critical. Experience with user notification systems, in-app...

I'm seeking a dynamic digital marketer proficient in advertising across Facebook, Google and Instagram. The priority for this project is to effectively drive website traffic and generate quality leads. Prospective freelancers should have a proven track record tapping into varied target audiences such as millennials, business professionals, and parents. Expertise in tailoring marketing strategies to captivate these demographic groups is essential.

I have a project that requires data entry from various online sources into a document with specific formatting. Key Requirements: - Data Entry: You will need strong typing skills and attention to detail to accurately input the text data provided from online sources. - Data Formatting: The entered data must be organized and formatted appropriately within the document. Ideal Freelancer: - Experience with data entry, preferably with text. - Strong understanding of formatting in documents. - Attention to detail to ensure the accuracy of the entered data. - Good time management skills to meet deadlines.

I'm seeking a dynamic digital marketer proficient in advertising across Facebook, Google and Instagram. The priority for this project is to effectively drive website traffic and generate quality leads. Prospective freelancers should have a proven track record tapping into varied target audiences such as millennials, business professionals, and parents. Expertise in tailoring marketing strategies to captivate these demographic groups is essential.

...involves writing 3 comprehensive health-related articles. Each article should be 3000 words long. Key Requirements: - **Topic:** The articles should focus on sports - **Methodology:** The methods section in each article must be detailed with a critical analysis and comparative insights. - **Content Focus:** The articles should predominantly focus on recent studies, preferably those published in the last 5 years. Ideal Freelancer: - Proficient in health writing. - Capable of conducting in-depth research. - Experienced in critical analysis and comparison of studies. - Skilled in crafting engaging, informative articles. - Able to deliver high-quality work within the set deadline. This project is time-sensitive, with the assignment due on Friday 17th May. If you have the requir...

...can set up a presence channel within my existing application. This presence channel should serve multiple purposes: to retrieve the offline/online status of users, to send real-time events to users, and to ensure that the websocket connection is properly authenticated. Key Requirements: - Develop a presence channel: The primary function of this channel is to monitor the online/offline status of users. The status should be determined based on the user's online status. - Real-time messaging: The system should be able to send specified types of events to users in real-time. The events include refreshing a page, loading a specific URL, or logging out a user. - WebSocket authentication: The developed presence channel should be authenticated properly to ensur...

I'm looking for an Outreach Coordinator...expand my customer base through professional and formal email campaigns. Key Responsibilities: - Develop and implement a customer acquisition strategy to meet set targets - Identify and reach out to potential customers through email campaigns - Analyze and report on the effectiveness of the campaigns Skills and Experience: - Proven experience in email marketing and customer acquisition - Strong understanding of professional and formal communication - Ability to develop and execute email campaigns effectively - Experience in analyzing engagement metrics and adapting campaigns accordingly - Excellent written communication skills Please note that the ideal candidate should have a strong track record of expanding cus...

I'm in need of a skilled PHP Yii 2 developer to create a robust platform with user authentication, API integration, and a payment gateway. Key project requirements: - Use1. We've implemented razor pay in frontend but in backend it's phone pe so order I'd is not coming we've to fix that 2. Currently login sign up is email id and password we've to change that flow to phone number OTP login and it's already there for forgot password flow we've to modify that and use it for login 3. Once payment is successful then there's an appointment booking api that needs to make an appointment there's small fixes in it 4. There's a doctor's profile api where it should give doctors fee sometime it's not coming These are ...

I'm in need of a talented social media marketer who can assist me part-time or even full-time in website SEO along with boosting my brand's visibility across YouTube, Facebook, Instagram and Twitter. In the do so, following are the expected tasks - - Create SEO plan for website - Create backlinks - Video editing skills for YouTube videos - Email campaign - Excellent communication skills - Willingness to work part-time or full-time

I'm looking for a skilled data entry specialist to help me with a project. The task involves pulling basic information like names and email addresses from websites. Key Requirements: - Proficient in data entry - Attention to detail - Familiar with online data entry - Efficient and reliable - Able to follow instructions accurately You'll be provided with the necessary website links and instructions. The data needs to be entered neatly and accurately. This is a straightforward task but accuracy is key. A high level of accuracy will be appreciated.

...to English. The role requires preserving the original meaning, format, and tone. The project is essential for understanding consumer insights and evaluating market strategies to launch products in a greenfield market in Spain. Key Responsibilities: Primary Research: Live/consecutive translation of one-on-one interviews conducted with 15 selected Spanish consumers. Each interview session will last approximately 75-90 minutes. Topics include Consumer Affinity, Brand Perception, Market Fit, and identifying opportunities. Secondary Research: Analyze social content from competitors and influencers. Evaluate messaging strategies and translate relevant content into English. Qualifications: At least C1 level Spanish certification. Prior translation experience. English proficiency. P...

I have a CCTV camera setup. I need 3 daily check-ins and one end-of-day report. Responsibilities: * Check in 3 times/day and inform what's going on * At the end of the day analyze footage of full 24h, and write a timed activity report (>300 words) Notes: * Check-ins must span 12-hour day (e.g. 5am, 10am, 5pm, or any time in between) * Report must be for full 24h (can view CCTV footage on web interface) * Report must show activity by hour * Must be done 7 days a week I'm looking for 2 candidates, one in Eastern hemisphere, and one in Western hemisphere, to together cover 24h span. Daily time required: only 30min.

I'm in need of a professional developer to create a copy of blogtalkradio.com. The project entails replicating all of their standard features and functionalities while also incorporating unique elements that will help distinguish our platform from theirs. Test dashboard at freeconferenceusa.com. click on help and check out hosting features

As your project partner, I'm looking for an AI specialist who can lead a series of online training sessions on Generative AI. The trainer should have expertise in the following areas: - Experience with Generative AI: Ideally, can provide examples of unique output generated by the AI under your supervision. - Training: GenAI overview, Advanced Transformers(Encoder only , Decoder only, Encoder and Decoder). Pre Training vs Fine Tuning – Benefits of PEFT, LoRA & QLoRA. Hands on exercises on Fine Tuning, LLMOps, Prompt Engineering, RAG - Learning Techniques: Familiarity with Supervised, Unsupervised, and Reinforcement learning techniques is preferred. This series of online sessions must be engaging and insightful, providing a comprehensive guide to Generative A...

I'm in need of a talented video creator to produce a live-action demo tutorial for my platform. The intended audience for this tutorial are intermediate users, therefore the content should be both engaging and informative. Key Tasks: - Create an engaging live-action video: This video should demonstrate how to effectively utilize the booking process and user profile customization on our platform - Keep it intermediate-friendly: The content should be easy to follow for users who are somewhat familiar with the platform but are still learning its intricacies. Ideal Candidate: - Experienced video creator: You should have a strong portfolio of creating live-action demo videos for software or similar products. - Understanding of tutorial creation: Experience in creating tutorials fo...

I am in need of an experienced mobile application developer who can assist me with a trading application project. Key Requirements: - The application needs to be compatible for both iOS and Android platforms. - Proficient in delivering high-quality mobile applications with optimal user experience. This project includes three main features: - Real-time stock prices: The app should provide real-time updates for stock prices. - Portfolio management: It should assist users in managing their investment portfolios efficiently. - In-app trading: Users should be able to execute trades within the app. Additional Features: - Price alerts: The app must send out alerts about significant price changes. - News alerts: Notifications for essential financial news. - Social trading: It must incl...

...calendar API. This API should have some specific functionalities and integrations that I need to make my workflow more efficient and effective. Key Project Requirements: - **Event Synchronization**: The API must be able to seamlessly sync events across various platforms and devices. - **Event Creation and Deletion**: I need the API to enable easy and quick event creation and deletion. - **Reminder Notification**: This API should also be capable of sending out reminder notifications for important events. Ideal Skills and Experience: - **Node.js**: As I prefer this platform for the development, experience with Node.js is a must. - **Outlook API Familiarity**: Prior experience with Outlook calendar API development is highly desirable. - **Integration Experience**: Experience in co...

As instructed by my bank, I require a comprehensive check of my PC, Mac Mini, and iPhone. There's a potential compromise involving malware or keystroke monitoring suspected. The task will require: - Comprehensive device scanning - Identifying and eliminating potential malware or keystroke monitoring agents - Provide an IT report certifying the devices' safety post-cleanup Ideal freelancers should possess strong experience in device security, particularly within PC, Mac Mini, and iPhone ecosystems. Please note, there're no specific files, folders, or applications targeted - the entire devices require a review. My home is at Chatswood and parking is not an issue. Alternatively, I may be able to come to you.

I'm in need of an experienced professional or team to assist in a comprehensive pre-employment vetting process. This is for various positions within our company in Erbil, Iraq. Key Requirements: - Conduct detailed background checks for potential employees. - Verify personal and professional references. - Perform a thorough criminal background check. Ideal Skills: - Extensive experience in HR, security or related field. - Familiarity with the pre-employment vetting procedures in Iraq. - Strong investigative and research skills. Your assistance will be crucial in ensuring that our recruitment process is thorough and our company's interests are protected. Please provide a rough timeline for completion as well.

Hi Seabit I have another logo design I need to do. I'm happy to pay the same rate as last time.

I am looking for a skilled web developer to create a subscription-based website. The website will offer 8 subscription plans for services. Key Requirements: - User Registration: A seamless and user-friendly process to register new users to the website with email verification - Subscription Plan Selection: Users should be able to easily choose between 8 subscription plans (can be more than one). - Secure Payment Process: NOT FOR NOW Ideal skills include: - Proficiency in web development (front-end). - Experience in building subscription-based websites. - Strong understanding of user experience and user interface design.

...for my website. This feature will enable the collection of user information primarily for our understanding of customer preferences. Our aim is to make this process efficient and hassle-free for both the users and for my team. The collected information should be sent directly to my email. This way, I can access and process the data promptly. Key Points: - Form should be designed with text fields for open answers, and dropdown menus for predefined options, and the ability to upload images and other things. - Responsive design is essential. Customers will use this feature on various devices so it should work seamlessly on all screen sizes. Ideal skills for this project: - Proficiency in web development with experience in designing user-friendly forms. - Understand...

...to improve our online presence. We're targeting caregivers, healthcare professionals, assisted living administrators, and placement professionals for the elderly with a view to enroll more patients into our hospice care. Key deliverables: - Develop a strategy to generate enrolled patients - Create events for our target audience to increase brand awareness - Develop an email list of the defined target audience We're looking for a person with a strong background in healthcare marketing, particularly with experience targeting to healthcare professionals and caregivers. Good knowledge and use of digital marketing strategies for lead generation is required. We need someone who essentially understands our industry and our audience's needs. This project is...

...INVESTMENT ENVIRONMENT, INTERCONNECTED WITH THE MATRIX THAT CURRENTLY OPERATES IN THE COMMUNITY. 1.1 THE USER CAN ONLY MAKE A CERTAIN INVESTMENT, ACCORDING TO HIS ADVANCES IN THE MATRIX. EX: COMPLETING YOUR: 1st LEVEL IN THE MATRIX, THE SYSTEM ALLOWS THE USER TO MAKE AN INVESTMENT OF UP TO 100$ 2ND LEVEL IN THE MATRIX: THE SYSTEM ALLOWS THE USER TO MAKE AN INVESTMENT OF UP TO 200$ 3rd LEVEL IN THE MATRIX: THE SYSTEM ALLOWS THE USER TO MAKE AN INVESTMENT OF UP TO $400 4TH LEVEL IN THE MATRIX: THE SYSTEM ALLOWS THE USER TO MAKE AN INVESTMENT OF UP TO $800 5th LEVEL IN THE MATRIX: THE SYSTEM ALLOWS THE USER TO MAKE AN INVESTMENT OF UP TO $1,200 6TH LEVEL IN THE MATRIX: THE SYSTEM ALLOWS THE USER TO MAKE AN INVESTMENT OF UP TO $2,500 THE AMO...

...develop an online course platform that offers a seamless and engaging learning experience for my audience. Key Features: - The platform should have a membership system with basic (free) and premium (paid) options. - Premium memberships will be facilitated through Stripe. - The course content should be structured by topic. - Each course should be a mix of video, text, and documents. - Each topic should be accompanied by a Q&A section for better understanding. Skills and Experience: - Proficiency in web development and user interface design. - Experience in developing membership systems and integrating payment gateways. - Strong understanding of video hosting and streaming. - Familiarity with developing and integrating Q&A systems. - Knowledge of structuring cour...

...help me gather email addresses, websites, and phone numbers from 92 company names. - Accuracy: It's crucial that the information you provide is accurate and up-to-date. The test of accuracy will be me sending emails and verifying the company. Any wrong details will need to be collected again unless it is beyond your control (e.g. company closed down etc.) The ability to ensure the accuracy of the data you collect is essential. Automated collection will be erroneous as the data needs to be collected in the following way. use the company names from the attached spreadsheet. 2. To type the company name + Crowdfunding + UK in the Google search box. The company's operation is Crowdfunding and must be based in the UK as similar names may exist in US as well. 3. To manua...

...Providing in-depth analysis of last mile delivery, including identifying and studying trends, challenges, and solutions. - Research and provide insights about effective entry points and custom clearance methods regularly used in the industry. - Investigate and analyze courier services, including their efficiency and impact on the overall distribution process. - Examine the use and effectiveness of locker and PUDO (pick up drop off) points in modern logistics. - Who are the main ecommerce sellers. Suitable candidates should have extensive experience in transportation and distribution within the logistics sector, exceptional research and analytical skills, and a deep understanding of market trends and dynamics. Practical experience in the named tasks, particularly in last...

...providing a database of published emissions data for ASX companies. Responsibilities: 1. Web Scraping - Web scrape scope 1, 2, and 3 data points from global listed companies to populate the VeriCO2 emissions database initially. - Develop scripts or tools to automate the web scraping process and ensure efficient data collection. 2. Data Moderation - Implement a moderation check to review and update data points based on user feedback and VeriCO2's own data collection. - Develop a system for users to report errors in the database and for VeriCO2 to address these reports promptly. 3. ASX Companies Emissions Database - Enhance the current offering by providing a database of published scope 1, 2, and 3 emissions for ASX companies from publicly listed databases instead of...

...involves writing 3 comprehensive health-related articles. Each article should be 3000 words long. Key Requirements: - **Topic:** The articles should focus on sports - **Methodology:** The methods section in each article must be detailed with a critical analysis and comparative insights. - **Content Focus:** The articles should predominantly focus on recent studies, preferably those published in the last 5 years. Ideal Freelancer: - Proficient in health writing. - Capable of conducting in-depth research. - Experienced in critical analysis and comparison of studies. - Skilled in crafting engaging, informative articles. - Able to deliver high-quality work within the set deadline. This project is time-sensitive, with the assignment due on Friday 17th May. If you have the requir...

...The ePaper display itself will be the Pervasive 2.13" display using the ZIF25 connector and SPI protocol. Schematics and additional reference details are attached, please read these carefully to ensure the ePaper display module functions accordingly. It will be powered by two CR2450 button cells, but please include a USB C connector for programming and backup power source. I'll also need a notification LED and a tactile button. The outcomes I'm expecting are: 1. Updated Schematic (i've attached one i've been working on for reference you can start fresh if you want though) 2. PCB design/gerber file 3. BOM spreadsheet with all components Note: I have the EXT 3-1 board and some 2.13" displays already, I've included the details of this board as a...

...and numerical data from various online sources, to be entered manually. Key Requirements: - Text and Numerical Data Collection: You need to be able to efficiently gather text and numerical data from a variety of online sources. - Manual Data Entry: This job involves manual data entry, so meticulous attention to detail and accuracy is essential. - Research Skills: A knack for online research and the ability to identify and extract relevant data is crucial. Ideal Freelancer: - Experienced in data collection: Someone who has experience in collecting and extracting data from online sources. - Attention to detail: A meticulous individual who can ensure that the data entered is accurate and error-free. - Web Research Skills: A freelancer who is proficient in ...

I'm looking for a skilled web designer who can breathe new life into my website. I'd like a modern, updated design that stands out and attracts more traffic. Key improvements should include: - Enhancing visual appeal with a modern design - Updating the color sch...Additionally, adapting to the mobile era is now a must. Hence, transforming the website to be mobile-friendly is a key objective for this project. Ideal skills: - Proficiency in modern web design - Strong understanding of color theory - Expertise in creating mobile-friendly interfaces - Excellent typography skills Our focus is not merely cosmetic; we want to make our website more engaging and user-friendly, simultaneously taking visual appeal to the next level. If you can help facilitate this transformation...

Seeking an experienced WordPress expert to tailor my forum pa...identity, along with a redesign of the overall page structure for enhanced user experience. - Functionality: Optimisation should involve upgrading the notification system to better alert users to updates and interactions. I also wish to include user profile customization, allowing individuals to personalize their own space within the forum. - User permissions: The project requires careful modification of user permissions, providing different access and contribution levels. Benefits from prior experience in forum page customization and familiarity with WordPress. A strong grasp of UX/UI design will be advantageous for the layout and design aspects. Coding skills are essential for tweaking t...

I'm looking for a creative designer to produce a design for my brand, 18" by 24". Key points: - Objective: The main goal of the design is to increase brand awareness. - Style: The design should be modern and minimalist. - Color scheme: The design must use the brand's colors. Please make sure to check the website (() to get a better understanding of my brand. Feel free to use parts of the logo or all of it. If it conveys a message about getting 0% interest funding or something similar would be great. The full domain has to be included in capital letters. This is my website () Be creative, think outside of the box. Thanks

I need someone experienced in setting up Google Workspace with secondary domain purchased from Square Space. Here are some key details: - This emails and domains are secondary for marketing purpose - I have a list of 17 email addresses - I would like these domains to be redirected to feufo.com. Ideal skills and experience for the job: - Proficiency in Google Workspace setup and configuration. - Familiarity with managing domains from Square Space. - Understanding of email forwarding rules and configurations. Please, let me know if you require any additional information.

We are looking for a freelance expert in marketing and market analysis to help us identify high-demand consumer products in the Netherlands that can be successfully sold online. The candidate should be able to analyze market trends and customer needs, and use data and research to identify opportunities and value-added products that can be successfully sold online. Key requirements: - Proficiency in market research and trend analysis in the Netherlands - Experience in identifying and forecasting demand for online selling - An understanding of the competitive landscape in the specified product categories - Strong communication skills and the ability to present findings in a clear and actionable manner The target audience for the products is primarily young adults age...

...collaborate with us in revamping our current website. Our website consists of seven pages, and while the fundamental structure is in place, we're looking to implement several updates to elevate its overall appeal. These updates include refining content placement, optimizing imagery, and enhancing the overall user flow for maximum engagement and conversion. Tasks: 1. Implement necessary updates as per provided requirements. 2. Elevate design aesthetics to create a visually stunning website. 3. Enhance user experience through intuitive layout and navigation improvements. 4. Optimize the website for responsiveness across all devices, ensuring seamless functionality. Requirements: (NOT WORDPRESS PROJECT) We require a freelancer with proven expertise in both website deve...

Nos dedicamos hacer funnels a consultores para asi aumentar su facturacion Experiencia : Copy para paginas de venta Estratega digital y creacion de funnels Email marketing