No mail, but using port 25

• To: fedora-list@xxxxxxxxxx
• Subject: No mail, but using port 25
• From: Mike - EMAIL IGNORED <m_d_berger_1900@xxxxxxxxx>
• Date: Fri, 27 Oct 2006 13:18:54 -0400
• Reply-to: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>
• User-agent: Pan/0.14.2.91 (As She Crawled Across the Table)

On FC4, for my own edification, and hopefully not
doom, I have set iptables to pass only packets
that I understand, and to log rejections.  I find
port 25 in use, despite that I am not using mail.
What is the purpose of this?

Thanks for your help.
Mike.

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