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Re: Email Subaddressing

"D. J. Bernstein" <djb@koobera.math.uic.edu> Thu, 31 July 1997 23:38 UTC

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From: "D. J. Bernstein" <djb@koobera.math.uic.edu>
To: ietf-822@imc.org
Subject: Re: Email Subaddressing
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> All this does is push the question off a level.  Is it desirable to be able
> to mix and match MTA, delivery agent, and submission agent?

qmail was designed to support multiple delivery agents and submission
agents. qmail-local can invoke a variety of delivery agents. Submission
agents can run as /usr/lib/sendmail and pass messages to qmail-queue.

sendmail can also invoke a variety of delivery agents, and it'd be easy
to write a qmail-queue clone for sendmail if there were any interest.

When a delivery agent supports subaddresses---as, e.g., procmail does---
both qmail and (recent versions of) sendmail can straightforwardly pass
the necessary information to it.

---Dan
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