Header check rulesets for sendmail 8.10

Last Update 2000-01-18

Introduction

sendmail 8.10 introduces even more enhanced possibilities for anti-UBE rules.

Rulesets for Header checks

There is an alpha version (last update: 1999-10-24) of a HACK for the header checks which may give you an impression of the possibilities and problems.

Since this is an alpha version, it's lacking documentation... Just include at least

define(`SM810')dnl
HACK(`chk-hdrs')dnl
in your .mc file. See the 8.9 options for some explanations. But be aware: the 8.10 version makes use of some enhanced possibilities like the macro map to store whether the header checks should be activated.
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