qpsmtpd/STATUS
Matt Simerson 1d45e491ff STATUS: removed links to dead Google Code, add
links to github project page, and goals of qpsmtpd-dev
2013-08-05 15:05:14 -07:00

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Qpsmtpd-dev is a fork of Qpsmtpd. Qpsmtpd is a very good SMTP daemon for
developers and hackers (admittedly, its focus). It is difficult to install
and administer for the typical sysadmin/user.
The primary focus of the -dev branch is improving the consistency and
behavior of the plugins. After using one plugin, the knowledge gained
should carry over to other plugins.
Secondary goals are reducing code duplication and complexity. Anything
covered in Perl Best Practices is also fair game.
So far, the main changes between the release and dev branches have focused
on these goals:
- plugins emit a single entry summarizing their disposition
- plugin logs prefixed with keywords: pass, fail, skip, error
- plugins use 'reject' and 'reject_type' settings.
- plugins support deferred rejection via 'naughty' plugin
- plugins get a resolver via $self->init_resolver
Roadmap
=======
- https://github.com/qpsmtpd-dev/qpsmtpd-dev/issues
- Bugfixes - qpsmtpd is extremely stable (in production since 2001), but
there are always more things to fix.
- Add user configuration plugin infrastructure
- Add plugin API for checking if a local email address is valid
- Add API to reject individual recipients after the RCPT has been
accepted and generate individual bounce messages.
Issues
======
------ The rest of the list here might be outdated. ------
------ Patches to remove things are welcome. ------
plugin support;
allow plugins to return multiple response lines (does it have to
join them to one for SMTP?)
support plugins for the rest of the commands.
specify a priority in register_hook. ("LAST", "FIRST", "MIDDLE", or
maybe a number)
plugin access to the data line by line during the DATA phase
(instead of just after)
if qmail-queue can't be loaded we still return 250 ?!
Make a system for configuring the plugins per user/domain/...
support databytes per user / domain
localiphost - support foo@[a.b.c.d] addresses
Move dispatch() etc from SMTP.pm to Qpsmtpd.pm to allow other similar
protocols to use the qpsmtpd framework.
Future Ideas
============
Methods to create a bounce message easily; partly so we can accept a
mail for one user but bounce it right away for another RCPT'er.
The data_post hook should be able to put in the notes what addresses
should go through, bounce and get rejected respectively, and qpsmtpd
should just do the right thing. See also
http://nntp.perl.org/group/perl.qpsmtpd/170
David Carraway has some thoughts for "user filters"
http://nntp.perl.org/group/perl.qpsmtpd/2