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Check If Email Exists

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Re: Check If Email Exists

#96

The SMTP way of checking if an email exists is on the wrong side of CANSPAM, beginning the sending process to check an address is specifically addressed. And this assumes you didn't systematically "guess" the address.

Interesting. So if they are doing this are they violating CANSPAM?

EDIT: Looks like they are indeed doing the SMTP method: https://github.com/reacherhq/check-if-email-exists/blob/a052...

I also found a similar, much bigger service here that appears to have been around for a while: https://emailverification.whoisxmlapi.com/api

Re: Check If Email Exists

#97
post #21

I hope nobody uses this for anything serious. I run my own domain and use - @ to have a unique email for everything I sign up to. I have no email address that this counts as anything other than "risky". If this opts me out of marketing mail then that's probably a good thing, but I hope nobody puts a password-reset or security/billing notifications behind it.

I use @ .

I just disabled “load remote content” in email clients, stops spam pretty reliably.

Re: Check If Email Exists

#100
post #72

Earlier quoted context omitted.

I did it for ages and eventually stopped. It gets awkward when you have to deal with customer support people and I never caught any spammers via the method anyway. Difficulty wise it was trivial since all emails hit my main address.

When I can tell it'll be awkward, I just make up some letters on the spot like "gj5@mydomain.com". It's easy enough to look for To:gj5 in your horded mail to find out what business it was.

I've done this too before, weird thing to have to do but sometimes people just don't get it. Although, nine times out of ten I get asked if I work at that business because the first bit of my email address is their business name.
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