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- SENDMAIL -- An Internetwork Mail Router
- Eric Allman
- Britton-Lee, Inc.
-
- Routing mail through a heterogenous internet presents many new
- problems. Among the worst of these is that of address mapping.
- Historically, this has been handled on an ad hoc basis. However,
- this approach has become unmanageable as internets grow.
-
- Sendmail acts a unified "post office" to which all mail can be
- submitted. Address interpretation is controlled by a production
- system, which can parse both old and new format addresses. The
- new format is "domain-based", a flexible technique that can
- handle many common situations. Sendmail is not intended to perform
- user interface functions.
-
- Sendmail will replace delivermail in the Berkeley 4.2 distribution.
- Several major hosts are now or will soon be running sendmail.
- This change will affect any users that route mail through a sendmail
- gateway. The changes that will be user visible will be discussed.
-