Re: Virtual mailbox domains vs relay domains

2017-11-12 Thread Tom Marcoen
On 10 November 2017 at 22:59, Viktor Dukhovni wrote: > >> On Nov 10, 2017, at 8:22 AM, Tom Marcoen wrote: >> >> Last week however, I was reading a book on Dovecot written by Peer >> Heinlein and he says that if you put a Postfix server in front of >> Dovecot you should use 'relay_domains' for the

Re: Virtual mailbox domains vs relay domains

2017-11-12 Thread Wietse Venema
Tom Marcoen: > So am I correct that the general population would recommend/prefer > virtual mailbox domains over relay domains in this situation? Yes, virtual_mailbox_domains is for final destinations including LMTP, relay_domains for forwarding to MTAs. Peer may have written some of his text be

Re: Virtual mailbox domains vs relay domains

2017-11-12 Thread Viktor Dukhovni
> On Nov 12, 2017, at 6:15 AM, Tom Marcoen wrote: > >>> Losing recipient validation is NOT an advantage. Either way, >>> you need to have a table of valid recipients to avoid backscatter. >> >> An alternative to a static table is dynamic recipient verification. >> This uses a cache with proac

Re: bounce notify class

2017-11-12 Thread Dominic Raferd
On 12 November 2017 at 10:57, Postmaster wrote: > You should neither ignore your Postfix bounces (called Local/synchronous > bounces) nor generated by other providers (called Remote/ Asynchronous > bounces). Both should be processed correctly and not be retried if its > related to mailbox/user do

Re: bounce notify class

2017-11-12 Thread Wietse Venema
Dominic Raferd: > ?I am deluged with messages in the postmaster mailbox reporting failed > smtpd transactions for spammers trying to send to non-existent recipients > on our domain?, which postfix quite rightly rejects (i.e. not listed in > virtual_alias_maps). These are smtpd transaction reports n