Chapter
7
7. Keeper: Scanning SMTP
Traffic in Mail Systems:
sendmail, Qmail, Postfix and
Exim
7.1. Features of the Keeper
program
Describing functions and features of the program.
Keeper is designed to handle viruses in incoming and outgoing SMTP
traffic. The program is built into the mail server in order to check for viruses
in the traffic passing through.
Currently there are fours versions of Keeper: for sendmail, Qmail, Postfix
and Exim.
This book does not describe
the sendmail, Qmail, Postfix and Exim
mail systems and their performance concept
.
If you have any
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