Alexandre Ellert: [reject_unverified_recipient] > Can you confirm that in case of greylisting at the destination > SMTP, it will work fine ?
If the remote SMTP server uses greylisting, then the address
verification result will be "don't know" (*) and the Postfix SMTP server
will reply with 4xx (unless you configure Postfix otherwise).
Wietse
(*) The Postfix SMTP client does not distiunguish between different
kinds of temporary error responses.
