+OK Password required.

PASS pwd1

+OK logged in.

STAT

+OK 1 422

LIST

+OK POP3 clients that break here, they violate STD53.

1 422

.

RETR 1

+OK 422 octets follow.

Return-Path: <user1@domain1.com>

Received: from mail.domain1.com (mail.domain1.com [xxx.xxx.xxx.xxx])

        by mail.domain2.com (8.13.5/8.13.1) with ESMTP id j9NCQqTZ012628

        for <user2@domain2.com>; Sun, 23 Oct 2005 16:26:52 +0400 (MSD)

        (envelope-from user1@domain1.com)

Received: from host1.domain1.com (host1.domain.com [xxx.xxx.xxx.xxx])

        by mail.domain1.com (Postfix) with ESMTP id CEA8840F0

        for <user2@domain2.com>; Sun, 23 Oct 2005 16:33:25 +0400 (MSD)

From: user1@domain1.com

To: user2@domain2.com

Subject: Test Message