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A comment on Check If Email Exists. Parent comment

Re:Check If Email Exists by EnderWT on Friday July 02, 2021 @01:41AM (#27708141)
Have you looked into what SES or other email services provide? Sending emails is easy, while actually getting them delivered is harder. You have to make sure you're not getting flagged as spam, can handle bouncebacks, etc.

Here's one discussion: https://stackoverflow.com/questions/371/how-do-you-make-sure...

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Re:Check If Email Exists by toomanybeersies on Friday July 02, 2021 @08:23AM (#27710522)
In GP's case, they probably could'e arranged with the client's sysadmins to whitelist the IP they were sending emails from.
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Re:Check If Email Exists by indigo945 on Friday July 02, 2021 @03:12AM (#27708656)
Not getting flagged as spam isn't actually that hard, though. Besides, if you're using SES or some other hosted SMTP service, you still have to set up SPF for your domain, so you haven't even really gained much comfort. The only really useful thing is to gain an ip address with a high reputation, but you can generally get those at any reputable hosting provider as well. Just don't try sending emails from your residential internet connection.
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Re:Check If Email Exists by killingtime74 on Friday July 02, 2021 @11:42PM (#27719185)
Ah I understand that part but if it’s going to a big client who knows the emails are coming is it besides the point? I understand day to day
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