November 2012 archive

whois

Here’s a tip for internet domain owners: Make sure the contact information for your domain has more than one email address.  And make sure at least one of those email addresses is not in the domain itself. If your email starts malfunctioning, you want people to be able to tell you about the problem … …

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Adding Envelope Sender in sendmail

Fair warning: This post is pretty darn technical and is of little interest to people who don’t muck around with Linux and/or mail servers. Recently I had a problem with someone on a midrange.com mailing list where they sent obvious spam. The problem was, they were a subscriber to the list and had posted before …

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