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On this page:
Overview
Configuration Instructions
Mail Headers
Help

Overview

This page provides information and instructions on how to configure secure outbound email settings for IMAP users with recommended email clients. IS&T supports the use of secure SMTP (simple mail transfer protocol) authentication for outgoing email. This practice ensurse MIT's outgoing mail server, outgoing.mit.edu, is not misused (e.g., by spammers), which could result in some Internet service providers refusing to accept email from MIT.

Configuration Instructions

Warning: These instructions are for IMAP users only. If you use Exchange email, they do not apply. If you're not sure which system you use, see: Q: How do I tell if my email is on the Exchange email server or the IMAP email server?.

Configure your outgoing (SMTP) email settings for secure authentication according to the email client you use:

Windows:

• Outlook 2003
• Outlook 2007
• Outlook Express

Mac OS:

• Apple Mail 3.x (Mac OS 10.5)
• Apple Mail 2.x (Mac OS 10.4)

Athena:

• Evolution: Configured automatically via Athena
• Pine: Configured automatically via Athena

Mail Headers

Email received via secure outbound authentication at MIT will include header lines similar to the following:

Received: from jdoe (JDOE.MIT.EDU [18.XX.X.XXX])
(authenticated bits=0)
(User authenticated as jdoe@ATHENA.MIT.EDU)
by melbourne-city-street.mit.edu (8.12.4/8.12.4) with ESMTP id hAQCXfZr004615
(version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NOT)
for <jdoe@mit.edu>; Wed, 26 Nov 2003 07:33:41 -0500 (EST)

To display the full headers, follow the instructions in the table below:

Client	To Display Full Headers
Outlook Express	Open a message, then choose File > Properties > Details.
Outlook	Open a message, then choose View > Options.
Apple Mail	Open a message, then choose View > Message > Long Headers.

Help

Web: Service Desk
Email: computing-help@mit.edu
Phone: 617.253.1101

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