Bartłomiej Piotrowski commented:
We're doing greylisting to reduce the amount of spam. Correctly configured mail server will try to redeliver the message that has been bounced and then we also know that it's likely a legit e-mail.
Bartłomiej Piotrowski commented:
We're doing greylisting to reduce the amount of spam. Correctly configured mail server will try to redeliver the message that has been bounced and then we also know that it's likely a legit e-mail.