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25.12 Alphabetized Header Reference | 1157
The Errors-To: header is intended for use by mailing lists to prevent errors in a list from
being rebroadcast to the list as a whole. For example, consider the mailing list allusers.
Mail that is sent to this list should contain the following header lines:
To: allusers
From: allusers-submit
Errors-To: allusers-errors
The From: header allows reply mail to be submitted for distribution to the list. The Errors-
To: header causes error notification to be sent to allusers-errors so that the maintainer
can fix any errors in the list. The original sender also gets error notification unless the
mailing list software represents the maintainer in the envelope (?§13.5.1 on page 492).
Under SunOS and V8 sendmail, th eErrors-To: header is flagged in conf.c withth e H_
ERRORSTO header flag (?§25.6.10 on page 1141). This allows other headers to be declared
in that file as error redirect headers. Under pre-V8 SunOS sendmail, th eErrors-To: header
is ignored if the error mode set by the ErrorMode option is m (?§24.9.47.2 on page 1029).
Under V8 sendmail, th eErrors-To: header is ignored unless the UseErrorsTo option
(?§24.9.126 on page 1115) is true. It does this because the Errors-To: header violates
RFC1123.
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