Hi everyone. If my smtp server does not have a reverse dns server, will I be able to send emails and how much of them will be blocked?
If you disable/remove the reverse DNS stuff from MIAB, you will still be able to attempt to send emails.
However almost all modern receivers perform various verification steps. When these tests fail, at best the email will go to spam, at worst the connection will be dropped and the email not received. Only the most basic, traditional receivers accept email with no verification.
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