Tag: statistics


More Efficient SPAM Fighting with Amavisd-logwatch

This is the first in a multipart series on better SPAM fighting through log parsing. I have found that better Systems Administration can usually be achieved through proper log handling and analysis. In fact, I will use the data from one of the secondary mail servers in my personal mail setup in order to demonstrate …

By eric

Counting Email Addresses By Domain in MySQL

Every so often I find some statistical need that although Perl program would be easy to write for it, its probably something the database should just handle. So I have a column in an email management table that has just the email addresses in the format user@domain.tld. I want to know which domains make up …

By eric

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