- update to 1.6.5 (bsc#1216895)
* Fix cross-site scripting (XSS) vulnerability in setting
Content-Type/Content-Disposition for attachment
preview/download
Other changes
* Fix PHP8 fatal error when parsing a malformed BODYSTRUCTURE (#9171)
* Fix duplicated Inbox folder on IMAP servers that do not use Inbox
folder with all capital letters (#9166)
* Fix PHP warnings (#9174)
* Fix UI issue when dealing with an invalid managesieve_default_headers
value (#9175)
* Fix bug where images attached to application/smil messages
weren't displayed (#8870)
* Fix PHP string replacement error in utils/error.php (#9185)
* Fix regression where smtp_user did not allow pre/post strings
before/after %u placeholder (#9162)