Hello, I noticed that sieve's duplicate function is not working when the MessageID header has a line break and I have encountered messages originating from Microsoft 365 this way.
For example: # test 1 From: <mailto:te...@domain.com.br> te...@domain.com.br To: <mailto:c...@domain.com.br> c...@domain.com.br Subject: test Message-Id: <mailto:854115.209399851-sendEmail@pa1> 854115.209399851-sendEmail@pa1 Date: Wed, 19 Jun 2024 12:35:16 -0300 (-03) Test # test 2 From: <mailto:te...@domain.com.br> te...@domain.com.br To: <mailto:c...@domain.com.br> c...@domain.com.br Subject: test Message-ID: <mailto:854115.209399851-sendEmail@pa1> 854115.209399851-sendEmail@pa1 Date: Wed, 19 Jun 2024 12:35:16 -0300 (-03) test # dovecot log Jun 19 12:59:33 server1 dovecot[513090]: lmtp(c...@domain.com.br) <mailto:c...@domain.com.br)%3c2993309%3e%3c4AeXHGUAc2adrC0AZCVTkw> <2993309><4AeXHGUAc2adrC0AZCVTkw>: sieve: subject=test from:te...@domain.com.br sender:te...@domain.com.br to: c...@domain.com.br <mailto:c...@domain.com.br> size:1010 msgid=854115.209399851-sendEmail@pa1 <mailto:854115.209399851-sendEmail@pa1> status=stored mail into mailbox 'INBOX' delivery_time=3 session_time=1 Jun 19 12:59:35 server1 dovecot[513090]: lmtp(c...@domain.com.br) <mailto:c...@domain.com.br)%3c2993309%3e%3csKNOK2cAc2adrC0AZCVTkw> <2993309><sKNOK2cAc2adrC0AZCVTkw>: sieve: subject=test from:te...@domain.com.br sender:te...@domain.com.br to: c...@domain.com.br <mailto:c...@domain.com.br> size:1014 msgid=854115.209399851-sendEmail@pa1 <mailto:854115.209399851-sendEmail@pa1> status=stored mail into mailbox 'INBOX' delivery_time=3 session_time=1 # sieve rule require ["duplicate", "fileinto", "envelope", "variables"]; if envelope :matches "from" "*" { set "sender" "${1}"; } if header :matches "subject" "*" { set "subject" "${1}"; } if header :matches "message-id" "*" { if duplicate :seconds 300 :uniqueid "${sender} ${subject} ${0}"{ discard; } } Regards, Ricardo _______________________________________________ dovecot mailing list -- dovecot@dovecot.org To unsubscribe send an email to dovecot-le...@dovecot.org