how to doveadm search from "<>" (null sender)?

Hi, I tried to search for mailer daemon messages but can't find a syntax for the null sender. all these does not work: doveadm -u xxx from "<>" doveadm -u xxx from <> doveadm -u xxx from "" any ideas? Thank you Daniel

Re: [Dovecot] sieve problem after upgrade to 2.1.12

Non-encoded 8-bit data (char FC hex): Subject: ZFIAS-Fehler: Direktion T\374rkei# 151#Umsa[...] Content type: BadHdr8bit Internal reference code for the message is 07835-12/8PpOmsB88Xzl Am 03.12.2012 09:55, schrieb Ben Morrow: At 9AM +0100 on 3/12/12 you (Daniel Funke) wrote: I have a sieve fi

[Dovecot] sieve problem after upgrade to 2.1.12

Hi, I have a sieve filter for a mailbox with amavisd-admin mails. if header :regex "Subject" "^INVALID HEADER" { fileinto "INVALID HEADER"; } After the upgrade to dovecot 2.1.12 this filter doesn't work for some (16) messages with this subject. For 424 messages it worked correct. Any

[Dovecot] dovecot proxy ssl-parameter from database?

Hi List, I want to migrate my IMAP-users from an old Courier-IMAP-Server to a new dovecot-Server. The old server supports IMAP without and with TLS. The new one only with TLS. To users should be migrated one by one with changing some client parameters. To leave the servername of the imap ser