RetroBBS - comp.mail.sendmail - Re: Delivered-To header?

Delivered-To header?

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From: johnl@taugh.com (John Levine)
Newsgroups: comp.mail.sendmail
Subject: Delivered-To header?
Date: Thu, 5 Aug 2021 04:10:07 -0000 (UTC)
Organization: Taughannock Networks
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Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970";
logging-data="58743"; mail-complaints-to="abuse@iecc.com"
Cleverness: some
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Originator: johnl@iecc.com (John Levine)

by: John Levine - Thu, 5 Aug 2021 04:10 UTC

Can sendmail add a Delivered-To header similar to the ones Postfix and qmail do? It can be
useful for loop breaking, if you're about to add a Delivered-To identical to one that is
already there, stop.

Asking, un, for a friend.

--
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

Re: Delivered-To header?

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From: INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org (Claus Aßmann)
Newsgroups: comp.mail.sendmail
Subject: Re: Delivered-To header?
Date: Thu, 5 Aug 2021 04:58:31 +0000 (UTC)
Organization: MGT Consulting
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by: Claus Aßmann - Thu, 5 Aug 2021 04:58 UTC

John Levine wrote:
> Can sendmail add a Delivered-To header similar to the ones Postfix and qmail do? It can be
> useful for loop breaking, if you're about to add a Delivered-To identical to one that is
> already there, stop.

"Use the source, Luke"
Wasn't that your answer to someone on the ietf-smtp mailing list
wrt this topic?

Or you could check the fine documentation
5.5. H -- Define Header
It explains how you can add headers and how you can check for them.

Re: Delivered-To header?

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From: johnl@taugh.com (John Levine)
Newsgroups: comp.mail.sendmail
Subject: Re: Delivered-To header?
Date: Thu, 5 Aug 2021 18:15:05 -0000 (UTC)
Organization: Taughannock Networks
Message-ID: <seh9r9$1388$1@gal.iecc.com>
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logging-data="36104"; mail-complaints-to="abuse@iecc.com"
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by: John Levine - Thu, 5 Aug 2021 18:15 UTC

According to Claus A�mann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org>:
>Or you could check the fine documentation
> 5.5. H -- Define Header
>It explains how you can add headers and how you can check for them.

Let me ask a better question: do we know of anyone who has sendmail add a Delivered-To header,
and if so, what does it contain? As you saw on the other list, other MTAs put a token which
looks like a mailbox but often isn't one.

--
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

DEC diagnostics would run on a dead whale. -- Mel Ferentz

computers / comp.mail.sendmail / Re: Delivered-To header?

Subject	Author
Delivered-To header?	John Levine
Re: Delivered-To header?	Claus Aßmann
Re: Delivered-To header?	John Levine