[Dovecot-news] Released Pigeonhole v0.4.24 for Dovecot v2.2.36.

Hello Dovecot users,

Here is the Pigeonhole release that goes with the new Dovecot v2.2.36
release. Apart from the changes that were already in the RC, this final
release adds one new feature: a plugin for the IMAP FILTER=SIEVE
capability. The is a vendor-defined feature that adds the ability to
manually invoke Sieve filtering in IMAP.

Changelog v0.4.24:

+ Implement plugin for the a vendor-defined IMAP capability called
“FILTER=SIEVE”. It adds the ability to manually invoke Sieve filtering
in IMAP. More information can be found in
– Fix assert panics triggered by empty messages that are being forwarded
using redirect or vnd.dovecot.report. This does not likely normally
occur, but this is seen as a result of certain benign failures in
object storage.
– Make the length of the subject header for the vacation response
configurable and enforce the limit in UTF-8 codepoints rather than
bytes. The subject header for a vacation response was statically
truncated to 256 bytes, which is too limited for multi-byte UTF-8
– Sieve editheader extension: Fix assertion panic occurring when it is
used to manipulate a message header with a very large header field.
– Properly abort execution of the sieve_discard script upon error.
Before, the LDA Sieve plugin attempted to execute the sieve_discard
script when an error occurs. This can lead to the message being lost.
– Fix the interaction between quota and the sieve_discard script. When
quota was used together with a sieve_discard script, the message
delivery did not bounce when the quota was exceeded.

The release is available as follows:


Refer to http://pigeonhole.dovecot.org and the Dovecot v2.x wiki for
more information. Have fun testing this release and don’t hesitate to
notify me when there are any problems.


Stephan Bosch

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