search

fasterit / roundcube_calendar

A functional version of Kolab's roundcube plugin with CalDAV forked from https://gitlab.awesome-it.de/kolab/roundcube-plugins/tree/feature_caldav
GNU Affero General Public License v3.0
19 stars 21 forks source link

calendar invitation message reject as UNDELIVERABLE due InvalidCharsetException, Character set name (RCMAIL+AF8-CHARSET), roundcuebe 1.3.x #24

Open pafcioooo opened 6 years ago

pafcioooo commented 6 years ago

While creating event in calendar with attendee email after event is send the remote sender answers with undeliverable status.

Sample rejected message info: Delivery has failed to these recipients or groups: ------@-------.mail.onmicrosoft.com The email system had a problem processing this message. It won't try to deliver this message again. Diagnostic information for administrators: Generating server: --------------------------

------@-------.mail.onmicrosoft.com Remote Server returned '550 5.6.0 CAT.InvalidContent.Exception: InvalidCharsetException, Character set name (RCMAIL+AF8-CHARSET) is invalid or not installed.; cannot handle content of message with InternalId 107335527701685, InternetMessageId b2c0c700008585c1c0422b4ae111de9a@indevops.com.'

Original message headers:

pafcioooo commented 6 years ago

@fasterit any ideas how to troubleshoot this?

fasterit commented 6 years ago

Sounds like a broken Header. Send to a mail server where you can receive the full header to inspect and / or dump the sendmail input to a file by replacing the sendmail binary.