On 27/06/16 08:44, Chip wrote: > John Doe receives email at john...@abc.com. > > He is ONLY to receive email that is fully DKIM and/or SPF compliant from > anyone at the xyz.com company.
[Summary: the rest would go to another folder] This is fairly simple to do, but does require some external components to Postfix. There are two main components to this, flagging and delivery. For flagging you'll need your SPF and DKIM milters to add headers showing pass/fail to the message, the various milters that are available should be able to do this. For delivery you'll need a 3rd party MDA. I would recommend using Dovecot LMTP with the sieve (pigeonhole) plugin. This will allow you to deliver the mail to alternate IMAP folders dependant on the message headers, sender and recipient info, etc. So you could route any message that have been flagged by the SPF or DKIM milter to a different folder. Likewise with messages that do not match the sender domain you are expecting. Peter
