+
−This document includes UUCP related information
+
−
+
−Note: My knowledge of UUCP setups is very poor. I hope that the
+
−      provided information is correct. Improvements to this document
+
−      are very welcome.  --meillo
+
−
+
−UUCP setups call the MTA as `rmail'. Until version 0.2.23 masqmail
+
−could be called with this name. It switched to read-message-from-stdin
+
−mode then. AFAIK this is not enough to support UUCP, at least not at
+
−the level that is presumed by UUCP software. It seems as if at least
+
−the first input line should be handled special as it includes the
+
−envelope recipient. (Correct me if I'm wrong.) I discovered that exim
+
−has rmail support like this. That's probably the reason why it was
+
−the same in masqmail.
+
−
+
−A better, through still basic approach, was introduced with 0.2.24:
+
−misc/rmail is a small shell script (taken from postfix), which calls
+
−masqmail with appropriate options. Copy the script into your path and
+
−ensure that the included sendmail variable points to the masqmail
+
−executable.
+
−
+
−A more sophisticated rmail implementation seems to be available from
+
−sendmail. I don't know details about it and whether it is needed. The
+
−difference of sendmail's rmail implementation could be related to
+
−address rewriting (user@example.org <-> org!example!user). But I
+
−don't know details -- if you do, please let me know.
+
−
+
−
+
−UUCP makes use of the -f (set return path address, i.e. from whom the
+
−mail is) option of masqmail which is only permitted for user root,
+
−the trusted user (usually `mail'), and the trusted group (often group
+
−`mail'). UUCP, however, usually runs as user and group `uucp'.
+
−
+
−Masqmail currently supports only one trusted group and it is planned
+
−to remain so for simplicity reasons. (If you have good arguments on
+
−the case, try to convince me of the opposite.) Therefore the solution
+
−for masqmail is to add the user `uucp' to the trusted group (often
+
−group `mail'):
+
−
+
−    usermod -G mail -a uucp
+
−
+
−This is not the perfect solution but an acceptable trade-off.
+
−
+
−
+
−If one really needs to enable user `uucp' to set -f but can not add
+
−it to the trusted group, see the comment in is_privileged_user() in
+
−permissions.c. It shows a hack which allows to trust another group,
+
−for instance the group `uucp'.
+
−
+
−
+
−See [1] for reasons why -f is important and needed.
+
−
+
−[1] http://bugs.hylafax.org/show_bug.cgi?id=842
+
−
+
−
+
−meillo