Displaying 1 result from an estimated 1 matches for "ef20e53c".
2019 Jul 19
3
WARNING: using attachment_dir with plugin zlib can corrupt mails
Hello list, hello Dovecot developers,
this week, I discovered a serious bug in Dovecot, that lead to several
broken mails on our servers. The bug corrupts the first few characters
of the mail header during saving. On our setup, it was almost always
only the very first line of text, that was corrupted.
Depending on the IMAP client (they seem to request different header
fields, ... during mail