Modifying Reply-To Headers
This document is written on request of many Gentoo developers to cover how to
modify the Reply-To header in an email for consistency across all of the Gentoo
mailing lists. For reasons not mentioned here, there is an inconsistency between
the gentoo-core private mailing list, and the rest of the Gentoo mailing
Users who have a MUA that supports a Reply-To-List function will likely want to
remove the munged Reply-To headers. This allows them to use their mail client
how it was intended, with the Reply button replying to the Author. If your mail
client has a Reply-To-List function, you can use the following recipe snippet
in your .procmailrc file to remove the Reply-To headers.
Code Listing 1.1: Remove Reply-To header
# This removes those Reply-To: headers
| formail -I "Reply-To:"
This scans the message headers for any Gentoo list and removes any Reply-To
header that it finds.
Some of the most popular mail clients in use do not support a Reply-To-List
function. This causes problems for the users of these clients and has resulted
in Reply-To munging being used to reduce complexity for these users. Since
only the gentoo-core mailing list does not use Reply-To munging, the
following rule only touches that list.
Code Listing 1.2: Add Reply-To header
# This adds a Reply-To: header
|formail -I "Reply-To: email@example.com"
This scans for the gentoo-core list and adds a Reply-To header pointing
to the list.
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