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Custom Bulk Email Verifier Program Software

I need a custom program or software built to verify emails... There are many programs available, but none seem to be able to handle the bulk amount we need, or they do, but don't work properly. We need to easily be able to verify a minimum of 40,000 emails per hour. We can run it on a server if necessary..... We had a set-up but our programmer cant get it to do the volume we need. We also had issues with our IP Address being blacklisted for checking too many emails at the same domain too quickly.

Sample of what we need:

We import bulk lists of 1+ million emails. Addresses for email are extracted from a Domain Naming Server (DNS) and email Verifier program tries to connect with SMTP-servers and simulates the sending of a message. It does not send the message though - email Verifier program disconnects as soon as the mail server informs the program whether the address exists or not. Then when finished puts the verified emails in a .csv file.

Again, there are many software's out there, we have tried almost all and they can't handle the size of our lists.

Please only bid if you completely understand the project and you are able to get this done!

Skills: .NET, ASP, C Programming, Data Processing, XML

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About the Employer:
( 23 reviews ) Beverly Hills, United States

Project ID: #603140

6 freelancers are bidding on average $633 for this job

mtech2009

pl check the PM

$750 USD in 10 days
(18 Reviews)
5.6
softdeveloper9

Sir, Please review my PMB. Thanks.

$750 USD in 30 days
(0 Reviews)
0.0
jamesetaylor

please see pmb

$1000 USD in 10 days
(0 Reviews)
0.0
Netvista

Please check PMB, we can do it for you.

$500 USD in 30 days
(0 Reviews)
0.0
vachhaninimit

Please Check PMB

$500 USD in 15 days
(1 Review)
0.0
mscharishkumar

Sir, I can provide you with this application...

$300 USD in 20 days
(0 Reviews)
0.0