1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss 1999-03-02 09:44:33 10HmaX-0005vi-00 SMTP error from remote mail server after MAIL FROM:: host 127.0.0.1 [127.0.0.1]: 450 Defer 1999-03-02 09:44:33 10HmaX-0005vi-00 == userx@test.ex R=r1 T=t1 defer (-45): SMTP error from remote mail server after MAIL FROM:: host ipv4.ipv4.ipv4.ipv4 [ipv4.ipv4.ipv4.ipv4]: 450 Defer