Monthly Archives: June 2012

Dump MySQL DB for MailScanner

Well, I have promised this, have I not? So, on Fedora and RHEL, with MySQL 4.1.20 (or higher version), when number of messages in DB goes over (or near) 700.000 there are some nasty side-effects; lake delay of mails because … Continue reading

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Salty fried “mice”

So another recipe with zucchinis. It is good to eat as warm, cold, with mayonaise, for breakfast or lunch. 1 big grated zucchini 4 eggs 1 backing powder salt, pepper, curry, all per taste 100gr of wheat semolina 100gr integral … Continue reading

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MailScanner and unwanted mail

So, how to get rid of unwanted mail. Not spam, but unwanted types of attachments which come with mails; for example avi, wmv, mp3, dll, exe. Such messages take up space, CPU time and user attention 😉 and also can … Continue reading

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Anti spam, manual lists, part 5

Manually made lists can be formed on various places : Iptables Sendmail access DB Black and white lists on SpamAssassin level Iptable black lists Only in exceptional cases. Otherwise not a very good idea. In case you put them there, … Continue reading

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BlackBerry problems

If you have a BlackBerry mail server with Sendmail on it, and all of the sudden it stops working, with no visible cause, just the BlackBerry servers stop approaching your server for info and new mails (the worst case scenario … Continue reading

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MailScanner – testing

SW versions with which I work : RHEL6U2, MailScanner 4.84.5, SpamAssassin 3.3.1-2, ClamAV 0.97.4, MySQL 5.1.61 After all the configuration, changes, and adds, there is another LAST test of MailScanner service 😉 # MailScanner –lint Look carefully at the output, … Continue reading

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Light snack, version 2

This is a new version of a light snack, which can also be a lunch, in the summer. It can be eaten cold or warm, with mayonnaise, sour cream, or something simmilar. This version has zucchini and roasted peppers. Take … Continue reading

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Spam fighting, greylisting, part 4

What is this greylisting, and how does it work? Here is a nice definition : ************** Milter-greylist is a stand-alone milter written in C that implements the greylist filtering method, as proposed by Evan Harris. Grey listing works by assuming … Continue reading

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RBL – Real Time Black Lists, anti spam, part 3

RBL – Real Time Black Lists, what are they? Well they represent a list of addresses (IP and domain), from which spam mails are sent, and our system searches through them, in real time. There are quite a number of … Continue reading

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Vipul’s razor, how to use it, anti-spam, part 2

Versions that I am working with (for this post) are : OS RHEL6U2, Sendmail-8.14.4, MailScanner-4.84.5-2, MailWatch-1.2.0, SpamAssassin-3.3.1-2 What is Vipul’s razor? Here is a nice definition : Vipul’s Razor is a distributed, collaborative, spam detection and filtering network. Through user … Continue reading

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