At some point in recent releases, "%" no longer matches localhost
in new setups, so specify both.

zipkin: dedicated tmpdir for zipkin-batch

See merge request !77

Default tmpdir of 64M isn't enough for the hourly job.

This reverts commit 7b925b47.

They fill fail on first install as Dovecot doesn't know about
the new sieve plugins yet.

That support multiple instances

Add a slow (low-concurrency) outbound transport

See merge request !74

test: port to Python 3

See merge request !72

mail: backup ai_roundcube and ai_spam

See merge request !71

Users can now feed back ham/spam status into Spamassassin by
moving emails from/to the "Spam" folder. This is implemented
via imap-sieve as detailed in https://wiki2.dovecot.org/HowTo/AntispamWithSieve.

This sends all gmail emails to spam, it's a bit too high.

This reverts commit 20b16f3b.

The auth-server doesn't merge multiple service definitions properly
so we have to repeat the parameter in our override config.

Fixes issue ai3/accountadmin#15.