ram a écrit : > > I have had this issue before and it was strangely unreproducible. > *For me* The issue came up because of an error in the transport file. > > The file had an error for some domain , and when postfix tries to > deliver a mail for this domain and is not able to then every other mail > picked up by the same qmgr pid is given the "unknown mail transport > error" > > Check your transport file for some obvious errors. I got rid of the > error and everything was working fine >
OP had the wrong syntax in the value returned by sender_dependent_relayhost_maps (see my previous post). It's fixed now (confirmed offlist).
