December 2004
Intermediate to advanced
432 pages
8h 29m
English
Content preview from Slamming Spam: A Guide for System Administrators
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Whitelist/Blacklist Options
The whitelist/blacklist options control the ability for users to always allow or disallow email from certain senders. These options are all global options, available to anyone.
whitelist_from sender
Enables mail from sender to always make it through the filters. This option is useful for identifying email from certain senders that send messages often misidentified by SpamAssassin. Strings are parsed in glob format but with “*” and “?” as the only allowable metacharacters. Multiple matching patterns are allowed per line (separated by spaces), and multiple instances of whitelist_from are allowed in the file.
The Resent-From header is checked, if available. If not, all of the following headers are checked:
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.