nanog mailing list archives

Re: Port 25 - Blacklash


From: Florian Weimer <fw () deneb enyo de>
Date: Tue, 26 Apr 2005 20:47:24 +0200


* Martin Hannigan:

Why would an ISP block port 25 for .edu customers?

BelWue does this:

  <http://www.belwue.de/security/tcp25.html>


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