> Wietse : > 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.
I made more tests and greylisting is still a problem. I've tried with : unverified_recipient_tempfail_action = permit in main.cf But I got : fatal: bad configuration in mail.log How can I tell Postfix to queue the mail in case of remote reply 4xx ?
