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Alternate-port SMTP FAQ 
How do I configure my mail server to use Alternate-port SMTP with authentication?
Here are some links to documentation on setting up mail servers to use an smtp gateway for all outgoing mail with authentication. This is only a short list of popular MTAs. For other mail servers please consult their documentation or contact the publishers technical support.
| Exchange | A Quick Guide to Using Alternate-port SMTP with Exchange | |
| Exim | Exim 4.10 Specification, 32.5. Authentication by an Exim client | |
| MDaemon | User Manual pages 48-53,
Section Domain/ISP under Domain Configuration Editor
in the Primary Configuration Editor section. NOTE: MDaemon 7.0 & 7.1 have a bug which causes the AUTH request to not be sent when using an alternate port. Please use a previous version or get an update from Alt-N (not available as of 2004-06-24) |
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| Postfix | Postfix official documentation is the first place to start. A user reported some additional configuration is necessary to get postfix working with Cyrus SASL. Here are his notes: "Cyrus-sasl isn't built with PLAIN or LOGIN by default on most machines. You have to get the source, ./configure --enable-login --enable-plain and then build it, install and probably symlink /usr/local/lib/sasl2 to /usr/lib/sasl2. (I would suggest mv /usr/lib/sasl2 /usr/lib/sasl2-orig to preserve the original just in case this doesn't fix your problem)" Thanks to Rob. |
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| Qmail | Remote-Auth Patch | |
| Sendmail |
Configuring Sendmail for use with Alternate-port SMTP Sendmail Official documentation Suse.com - SMTP-AUTH Client with Sendmail |
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