I had the same behavior. Sieve filtering worked fine, but vacation did not work. After much searching, I discovered this ...
http://asg.web.cmu.edu/archive/message.php?mailbox=archive.info-cyrus&searchterm=vacation&msg=22894 My squirrelmail plugin did not require the user to fill in the "addresses" field, and most left it blank. Vacation will not work unless the To address(or addresses) are specified. Shelley Waltz On Wed, 1 Sep 2004, Gil Freund wrote: Hi, I am having a problem using sieve for vacation notices. I am using Cyrus 2.1.16 (Debian Sarge) with LDAP and Postfix. We are using Squirrelmail for reading mail and server side scripting. All seem to work apart from the vacation. This is the script generated by Squirrelmail (actually, avelsieve): # This script has been automatically generated by avelsieve # (Sieve Mail Filters Plugin for Squirrelmail) #AVELSIEVE_VERSIONYTo0OntzOjU6Im1ham9yIjtpOjA7czo1OiJtaW5vciI7aTo5O3M6NzoicmVsZWFzZSI7aToxMDtzOjY6InN0cmluZyI7czo2OiIwLjkuMTEiO30= #AVELSIEVE_CREATED1094028473 #AVELSIEVE_MODIFIED1094028473 require ["fileinto","reject","vacation","imapflags","relational","comparator-i;ascii-numeric","regex","notify"]; if #START_SIEVE_RULEYTo1OntzOjQ6InR5cGUiO3M6MToiNCI7czo2OiJhY3Rpb24iO3M6MToiNiI7czoxMzoidmFjX2FkZHJlc3NlcyI7czowOiIiO3M6ODoidmFjX2RheXMiO3M6MToiNyI7czoxMToidmFjX21lc3NhZ2UiO3M6MTM3OiJJIHdpbGwgYmUgb3V0IG9mIG9mZmljZSB1bnRpbCBTZXB0ZW1iZXIgOXRoLiBJbiBjYXNlIG9mIHVyZ2VudCBtYXR0ZXJzLCBhIG1lc3NhZ2UgY2FuIGJlIGxlZnQgYXQgRGV2ZWxvZ2VuIElzcmFlbCwgcGhvbmU6ICs5NzIgOCA5Mzg3Nzc3LiI7fQ%3D%3DEND_SIEVE_RULE true { vacation :days 7 text: I will be out of office until September 9th. In case of urgent matters, a message can be left at Develogen Israel, phone: +972 8 9387777. . ; I see no error in the mail log. Thanks Gil --- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html --- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html