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* Decongestion potential bottlenecks on trivial_rewrite(8).Guilhem Moulin2015-06-073
| | | | | | | | | | | | | Which might be caused by slow LDAP lookups in transport_maps. Instead, we alias each addresses for which we want a custom transport to a dedicated "dummy" domain, and use a static (CDB) transport_maps to map said domains to their transport; the receiver can then use canonical(8) to restore the original envelope recipient. Since the alias resolution is performed by cleanup(8), which can run in parallel with other instances, it should decongestion bottlenecks under heavy loads. So far only the MX:es have been decongestioned. The list manager and the MDA should be treated as well.
* Ansible automatically creates parent directories.Guilhem Moulin2015-06-071
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* Make the *_maps file names uniform.Guilhem Moulin2015-06-074
| | | | That is, don't put a leading virtual_ or a trailing _maps in file names.
* wibbleGuilhem Moulin2015-06-071
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* Fix the catch-all resolution again.Guilhem Moulin2015-06-073
| | | | | | | | | | | | | | | | | | | | We introduce a limitation on the domain-aliases: they can't have children (e.g., lists or users) any longer. The whole alias resolution, including catch-alls and domain aliases, is now done in 'virtual_alias_maps'. We stop the resolution by returning a dummy alias A -> A for mailboxes, before trying the catch-all maps. We're still using transport_maps for lists. If it turns out to be a bottleneck due to the high-latency coming from LDAP maps, (and the fact that there is a single qmgr(8) daemon), we could rewrite lists to a dummy subdomain and use a static transport_maps instead: virtual_alias_maps: mylist@example.org -> mylist#example.org@mlmmj.localhost.localdomain transport_maps: mlmmj.localhost.localdomain mlmmj:
* Excplicitely make local services run on localhost.Guilhem Moulin2015-06-071
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* typoGuilhem Moulin2015-06-072
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* Fix catchall resolution.Guilhem Moulin2015-06-072
| | | | | | | | It has to be performed last, to give a chance to be accepted as a regular mailbox. We introduce a new, dedicated, smtpd daemon whose only purpose is to resolve catch-alls.
* Configure Sieve and ManageSieve.Guilhem Moulin2015-06-073
| | | | | Also, add the 'managesieve' RoundCube plugin to communicate with our server.
* Make the virtual mailboxes visible under RoundCube.Guilhem Moulin2015-06-077
| | | | | | RoundCubes lists subscribed mailboxes only (determined using LIST-EXTENDED by default); also, it seems to ignore new subscriptions to mailboxes not listed by the LIST command.
* Configure the webmail.Guilhem Moulin2015-06-072
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* Compile Spamassassin rules.Guilhem Moulin2015-06-073
| | | | See /usr/share/doc/spamassassin/README.Debian.gz
* Auto-update Spamassassin's ruleset.Guilhem Moulin2015-06-071
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* wibbleGuilhem Moulin2015-06-073
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* Configure dovecot's antispam filter.Guilhem Moulin2015-06-075
| | | | | | | | | | | | | Mails to be retrained are stored in the spooldir /home/mail/spamspool; later a daemon catches them up and feed them to sa-learn(1p). (On busy systems batch-process the learning should be much more efficient.) The folder transisition matrix along with the corresponding actions can be found there: http://hg.dovecot.org/dovecot-antispam-plugin/raw-file/5ebc6aae4d7c/doc/dovecot-antispam.7.txt See also dovecot-antispam(7).
* Enable IMAP virtual mailboxes.Guilhem Moulin2015-06-077
| | | | | | | | | | | | | | Using dovecot's 'virtual' plugin, cf. http://wiki2.dovecot.org/Plugins/Virtual The 'virtual/' namespace is visible in the NAMESPACE command (hidden=no), but not in LIST (list=no). This should ensure that the namespace isn't automatically synced by offlineimap, but nevertheless visible by roundcube, cf. http://trac.roundcube.net/ticket/1486796 http://mailman2.u.washington.edu/pipermail/imap-protocol/2010-May/001076.html
* wibbleGuilhem Moulin2015-06-071
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* Configure the content filter.Guilhem Moulin2015-06-0712
| | | | | | | | | | | Antispam & antivirus, using ClamAV and SpamAssassin through Amavisd-new. Each user has his/her amavis preferences, and own Bayes filter (to maximize privacy). One question remains, though: how to set spamassassin's trusted_networks / internal_networks / msa_networks? It seems not obivious to get it write with IPSec and dynamic IPs. (Cf. https://wiki.apache.org/spamassassin/AwlWrongWay)
* Rename the role 'mx' into 'MX'.Guilhem Moulin2015-06-072
| | | | Other abreviations are upper case.
* Configure the Mail Delivery Agent.Guilhem Moulin2015-06-077
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* Configure the IMAP server.Guilhem Moulin2015-06-0712
(For now, only LMTP and IMAP processes, without replication.)