+++++++++++++++++++++++++++ R:userx@test.ex: -44 13121 SMTP error from remote mail server after RCPT TO:: host ipv4.ipv4.ipv4.ipv4 [ipv4.ipv4.ipv4.ipv4]: 451 Recipient deferred first failed = time last try = time2 next try = time2 + 1 T:thishost.test.ex:127.0.0.1:1225 0 65 SMTP error from remote mail server after initial connection: host thishost.test.ex [127.0.0.1]: 451 host deferred first failed = time last try = time2 next try = time2 + 1 +++++++++++++++++++++++++++ R:userx@test.ex: -44 13121 SMTP error from remote mail server after RCPT TO:: host ipv4.ipv4.ipv4.ipv4 [ipv4.ipv4.ipv4.ipv4]: 451 Recipient deferred first failed = time last try = time2 next try = time2 + 5 * T:thishost.test.ex:127.0.0.1:1225 0 65 SMTP error from remote mail server after initial connection: host thishost.test.ex [127.0.0.1]: 451 host deferred first failed = time last try = time2 next try = time2 + 1 +++++++++++++++++++++++++++ R:userx@test.ex: -44 13121 SMTP error from remote mail server after RCPT TO:: host ipv4.ipv4.ipv4.ipv4 [ipv4.ipv4.ipv4.ipv4]: 451 Recipient deferred first failed = time last try = time2 next try = time2 + 5 * T:thishost.test.ex:127.0.0.1:1225 0 65 SMTP error from remote mail server after initial connection: host thishost.test.ex [127.0.0.1]: 451 host deferred first failed = time last try = time2 next try = time2 + 1