Am 31.03.2014 00:35, schrieb cybermass: > Hi. I am a bit unclear about how email works in a closed domain from roaming > clients (SASL auth clients). > > If there is a postfix server that is configured to only accept and send > email to users in the same domain, say for example > j...@restricted.com can only send to another_u...@restricted.com, does this > mean that the client's email never hops through other servers or "hops"?
who knows without the config > I would assume it does not hop since the user authenticated, then crafted an > email to another user in same domain, using only the mail server IP that is > allowed to relay. I would think it would be all encapsulated inside the mail > server, never leaving out to the internet, but I do know that the clients > have to send via the SMTP protocol, either port 25 or 465 or any other > custom port chosen. Can someone please verify if the email travels through > hops in this environment or does it remain inside the postfix server? if i understand the question cooecrtly you see the anser below in that case the question could have been one or two lines in any case output of "postconf -n" instead descriptions would help first lines of "main.cf" on any of my testing machines: default_transport = error:5.1.2 mail to remote domains not permitted local_transport = error:5.1.2 local transport not permitted relay_transport = error:5.1.2 relay transport not permitted virtual_transport = error:5.1.2 virtual transport not permitted domains are listed in "mydestination" via mysql "local_recipient_maps" configured via mysql "transport_maps" is configured via mysql and points to LMTP on 127.0.0.1:24
