******** SERVER ******** Listening on port 1224 ... Connection request from [127.0.0.1] 220 ESMTP EHLO the.local.host.name 250 OK MAIL FROM:<CALLER@test.ex> 250 Sender OK RCPT TO:<userx@domain.com> 250 Recipient OK DATA 354 Send data Received: from CALLER by the.local.host.name with local (Exim x.yz) (envelope-from <CALLER@test.ex>) id 10HmbB-0005vi-00 for userx@domain.com; Tue, 2 Mar 1999 09:44:33 +0000 ..dotheader: This is perfectly legal Message-Id: <E10HmbB-0005vi-00@the.local.host.name> From: CALLER_NAME <CALLER@test.ex> Date: Tue, 2 Mar 1999 09:44:33 +0000 A message containing .. a line starting with a dot ... and one starting with two dots .. The previous one contains only a dot. . 250 OK QUIT 250 OK End of script