1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss 1999-03-02 09:44:33 10HmaX-0005vi-00 == userx@test.ex R=r1 T=smtp defer (-44): SMTP error from remote mail server after RCPT TO:: host 127.0.0.1 [127.0.0.1]: 451 Recipient not OK