Build validators that are able to validate and verify lists of email addresses as well as phone numbers.
For the emails, the software will be able to check syntax, typos, validate DNS, spam traps, and disposable domains, etc. You can see that as providing the same kind of services of some email verification and list hygiene providers in the market such as Verifalia, MailGet, Email Hippo, etc.
21 freelancers are bidding on average $708 for this job
Hey, It was not really obvious what kind of app you actually need (windows, android, or web) but the good news is that I can do all the described types, so hit me up!