Sieve script is missing newline after using OOO autoresponder

Steps to reproduce

1. Use OOO feature
2. Manually edit Sieve script in Account settings
3. Try to save

Expected behavior

The script saves

Actual behavior

The script doesn't save with error similar to:

{"reqId":"4RyhYilSeOwxigXG9HQX","level":3,"time":"2025-10-05T22:00:05+00:00","remoteAddr":"","user":"--","app":"mail","method":"","url":"--","message":"Failed to apply out-of-office sieve script: nextcloud: line 125: warning: no newline (CRLF) at end of hash comment at end of file. nextcloud: line 24: error: unknown tagged argument ':regex' for the header test (reported only once at first occurrence). nextcloud: line 27: error: unknown command 'addflag' (only reported once at first occurrence). nextcloud: error: validation failed.","userAgent":"--","version":"32.0.0.13","exception":{"Exception":"Horde\\ManageSieve\\Exception","Message":"nextcloud: line 125: warning: no newline (CRLF) at end of hash comment at end of file. nextcloud: line 24: error: unknown tagged argument ':regex' for the header test (reported only once at first occurrence). nextcloud: line 27: error: unknown command 'addflag' (only reported once at first occurrence). nextcloud: error: validation failed.","Code":3,"Trace":[{"file":"/opt/nextcloud/apps/mail/vendor/nextcloud/horde-managesieve/lib/Horde/ManageSieve.php","line":825,"function":"_doCmd","class":"Horde\\ManageSieve","type":"->"},{"file":"/opt/nextcloud/apps/mail/vendor/nextcloud/horde-managesieve/lib/Horde/ManageSieve.php","line":463,"function":"_cmdPutScript","class":"Horde\\ManageSieve","type":"->"},{"file":"/opt/nextcloud/apps/mail/lib/Service/SieveService.php","line":56,"function":"installScript","class":"Horde\\ManageSieve","type":"->"},{"file":"/opt/nextcloud/apps/mail/lib/Service/OutOfOfficeService.php","line":68,"function":"updateActiveScript","class":"OCA\\Mail\\Service\\SieveService","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/opt/nextcloud/apps/mail/lib/Listener/OutOfOfficeListener.php","line":77,"function":"update","class":"OCA\\Mail\\Service\\OutOfOfficeService","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/opt/nextcloud/lib/private/EventDispatcher/ServiceEventListener.php","line":57,"function":"handle","class":"OCA\\Mail\\Listener\\OutOfOfficeListener","type":"->"},{"file":"/opt/nextcloud/3rdparty/symfony/event-dispatcher/EventDispatcher.php","line":220,"function":"__invoke","class":"OC\\EventDispatcher\\ServiceEventListener","type":"->"},{"file":"/opt/nextcloud/3rdparty/symfony/event-dispatcher/EventDispatcher.php","line":56,"function":"callListeners","class":"Symfony\\Component\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/opt/nextcloud/lib/private/EventDispatcher/EventDispatcher.php","line":67,"function":"dispatch","class":"Symfony\\Component\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/opt/nextcloud/lib/private/EventDispatcher/EventDispatcher.php","line":79,"function":"dispatch","class":"OC\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/opt/nextcloud/apps/dav/lib/BackgroundJob/OutOfOfficeEventDispatcherJob.php","line":66,"function":"dispatchTyped","class":"OC\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/opt/nextcloud/lib/public/BackgroundJob/Job.php","line":61,"function":"run","class":"OCA\\DAV\\BackgroundJob\\OutOfOfficeEventDispatcherJob","type":"->"},{"file":"/opt/nextcloud/lib/public/BackgroundJob/QueuedJob.php","line":43,"function":"start","class":"OCP\\BackgroundJob\\Job","type":"->"},{"file":"/opt/nextcloud/lib/public/BackgroundJob/QueuedJob.php","line":29,"function":"start","class":"OCP\\BackgroundJob\\QueuedJob","type":"->"},{"file":"/opt/nextcloud/cron.php","line":175,"function":"execute","class":"OCP\\BackgroundJob\\QueuedJob","type":"->"}],"File":"/opt/nextcloud/apps/mail/vendor/nextcloud/horde-managesieve/lib/Horde/ManageSieve.php","Line":1000,"message":"Failed to apply out-of-office sieve script: nextcloud: line 125: warning: no newline (CRLF) at end of hash comment at end of file. nextcloud: line 24: error: unknown tagged argument ':regex' for the header test (reported only once at first occurrence). nextcloud: line 27: error: unknown command 'addflag' (only reported once at first occurrence). nextcloud: error: validation failed.","exception":{"details":null,"logged":false},"userId":"xxx","accountId":xxx,"CustomMessage":"Failed to apply out-of-office sieve script: nextcloud: line 125: warning: no newline (CRLF) at end of hash comment at end of file. nextcloud: line 24: error: unknown tagged argument ':regex' for the header test (reported only once at first occurrence). nextcloud: line 27: error: unknown command 'addflag' (only reported once at first occurrence). nextcloud: error: validation failed."}}

Couldn't reproduce after adding a newline manually and deleting it again, so it's likely the newline encoding, not the actual newline

Mail app version

c.nc

Nextcloud version

32.0.0

Mailserver or service

c.nc

Operating system

No response

PHP engine version

None

Nextcloud memory caching

No response

Web server

None

Database

None

Additional info

No response