Delivery failed: Connection refused Delivery failed: SMTP error from remote mail server after RCPT TO:<b@x.y>: host 127.0.0.1 [127.0.0.1]: 550 NOTOK Delivery failed: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: host 127.0.0.1 [127.0.0.1]: 550 BAD MAIL Delivery failed: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: host 127.0.0.1 [127.0.0.1]: 450 TEMPORARY MAIL FAIL routing file@x.y yielded a local delivery routing fail@x.y yielded a failed delivery: forcible fail message routing defer@x.y yielded a deferred delivery: forcible defer message delivery to smarthost failed (configuration problem) delivery to smarthost failed (configuration problem) Daemon cannot be run when mua_wrapper is set Delivery failed: Connection refused Delivery failed: Connection timed out: SMTP timeout while connected to ip4.ip4.ip4.ip4 [ip4.ip4.ip4.ip4] after RCPT TO:<b@x.y> Delivery failed: TCP port "nonexistent" is not defined for t4 transport Delivery failed: SMTP error from remote mail server after RCPT TO:<a@x.y>: host 127.0.0.1 [127.0.0.1]: 550 SORRY