+++++++++++++++++++++++++++ R:userx@test.ex:<CALLER@test.ex> -44 13121 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<userx@test.ex>: 451 Temporary error first failed = time last try = time2 next try = time2 + 2 R:usery@test.ex:<CALLER@test.ex> -44 13121 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<usery@test.ex>: 451 Temporary error first failed = time last try = time2 next try = time2 + 2 +++++++++++++++++++++++++++ R:userx@test.ex:<CALLER@test.ex> -44 13121 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<userx@test.ex>: 451 Temporary error first failed = time last try = time2 next try = time2 + 4 R:usery@test.ex:<CALLER@test.ex> -44 13121 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<usery@test.ex>: 451 Temporary error first failed = time last try = time2 next try = time2 + 4 ******** SERVER ******** Listening on port 1224 ... Connection request from [127.0.0.1] 220 ESMTP EHLO the.local.host.name 250 HELP MAIL FROM:<CALLER@test.ex> 250 OK RCPT TO:<userx@test.ex> 451 Temporary error RCPT TO:<usery@test.ex> 451 Temporary error QUIT 250 OK End of script Listening on port 1224 ... Connection request from [127.0.0.1] 220 ESMTP EHLO the.local.host.name 250 HELP MAIL FROM:<CALLER@test.ex> 250 OK RCPT TO:<userx@test.ex> 451 Temporary error RCPT TO:<usery@test.ex> 451 Temporary error QUIT 250 OK End of script