On 11/28/2014 12:26 PM, Christen Rößner wrote: > > >> Am 28.11.2014 um 18:05 schrieb Wietse Venema <wie...@porcupine.org>: >> >> Christen R??ner: >>> When the relay server determines the MX for a recipient address, is there >>> any table that works like this: >>> >>> MX host is foo bar, use transport SMTP:[some.mta]:12345 >> >> To override MX host selection based on recipient: >> http://www.postfix.org/postconf.5.html#transport_maps > > Sorry, I guess this not help. > > If I read your documentation correctly, the transport_maps parameter does > select a next hop based on a recipient address. That is not a solution here. > > I look for: > > Table: > Lhs Rhs > mx.some.mta smtp:[mx.whatever.tld]:1234 > > With this, mail would not be routed to mx.some.mta:25, I could define a > separate master.cf entry > > I even could totally overwrite a MX record. >
All postfix transport decisions are based on the recipient domain, not the MX it resolves to. It should be possible to use a TCP or socketmap transport table to override the recipient MX. I don't know of any existing code for this, so you would need to write something yourself. -- Noel Joness
