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http://bugs.exim.org/show_bug.cgi?id=1117
Summary: Implement -L (and other?) command-line option(s)
Product: Exim
Version: N/A
Platform: Other
OS/Version: All
Status: NEW
Severity: wishlist
Priority: medium
Component: General execution
AssignedTo: pdp@???
ReportedBy: pdp@???
CC: exim-dev@???
Per:
http://serverfault.com/questions/272601/fedora-can-not-boot-sendmail-sm-client-exim-abandoned
a Fedora system failed to start with Exim installed as the MTA because Fedora's
scripts were using -L as an option to sendmail.
It's time for another sweep of command-line options for Sendmail to see if we
should add some more compatibility options.
I downloaded sendmail 8.14.5, cd .../doc/op; make op.txt; less op.txt
-L tag Sets the identifier used for syslog. Note that
this identifier is set as early as possible. How-
ever, sendmail may be used if problems arise
before the command line arguments are processed.
I'm thinking that changing the logging identifier based upon an untrusted user
is likely to be annoying, but that there's no major security impact, so perhaps
limit to trusted users, or admin? Or just root? Feedback welcome.
Looking over other options we don't have: -Ax is very sendmail-specific,
choosing a .cf file, so ignore. -bP and -bh we already use for other meanings
and -bH matching sendmail's without -bh doing so would be confusing. -D to
choose a logfile conflicts with our debugging macros (but maybe by Exim 6 we
can become compatible). Sendmail uses -N and -R for setting DSN notification
requests, Exim uses them for debugging (disabling transport delivery) and
queue-running.
We should look further into:
-Btype Indicate body type. [more conte
-G When accepting messages via the command line,
indicate that they are for relay (gateway) submis-
sion. sendmail may complain about syntactically
invalid messages, e.g., unqualified host names,
rather than fixing them when this flag is set.
sendmail will not do any canonicalization in this
mode.
-qGname Run the jobs in the queue group name once.
-qQ[string] and -Q -- quarantine support.
-V envid The indicated envid is passed with the envelope of
the message and returned if the message bounces.
-X logfile
Log all traffic in and out of sendmail in the
indicated logfile for debugging mailer problems.
This produces a lot of data very quickly and
should be used sparingly.
Exim currently documents -G as sendmail/ignored; perhaps we should be disabling
submission fixups for -G?
-V would be used for RFC 3461 DSN support, which is not on any todo list that
I'm aware of, and implementing -V without -N & -R matching sendmail's interface
is probably pointless.
-X we can probably skip; we have control=debug in ACLs, as well as rather
extensive logging right now.
[ Perhaps Exim 5 should consider switching command-line option processing modes
dependent upon invocation name, so that Exim-specific options require argv[0]
contain "exim" and if argv[0]'s last /-delimited section contains 'sendmail'
then we use sendmail options instead? ]
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