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March 2, 2012  11:49 AM

OpenVZ and Ubuntu: No loopback adapter



Posted by: Eric Hansen
127.0.0.1, 127.0.0.2, Loopback, MySQL, OpenVZ, Postfix, Ubuntu

For the past few months I've been working hard at getting my own business started and going.  Its definitely been a ride, and have learned a lot about business and I.T. that I didn't think I'd ever touch on.  One of those I.T. aspects involves OpenVZ and their Ubuntu template (I use 11.04 x86),...

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January 27, 2012  12:43 PM

Is SMTP Authentication Necessary?



Posted by: Eric Hansen
authentication, Postfix, SMTP

Basically every guide you see online or read about on how to set up a SMTP server says you need to have SMTP authentication enabled to be safe (and to avoid open relay attacks).  While yes, you do need this if you're running an enterprise-level system that requires remote connections from smart...

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September 18, 2011  6:57 PM

Postfix and Post Queue



Posted by: Eric Hansen
Postfix, postqueue, postsuper, Queue Management

A lot of talk and discussions can be found...

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September 9, 2011  12:00 PM

Parsing E-mails via Postfix and PHP



Posted by: Eric Hansen
E-mail, Parsing, PHP, Postfix, Virtual

While not everyone is going to have a need for this, there are a lot of good reasons to parse e-mail.  Perhaps the best is if you use a help desk/bug tracking/ticket system (Bugtraq, Clientexec, etc...), and want to allow people to send in requests and such via e-mail.  Among other things, this...

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