[Evolution] Evolution 2.24.5 && Exchange && can not send Calendar replies

[Matthias Apitz <guru unixarea de>]

Hello,
 
I can send fine mails with Evolution. But when I Accept some Calendar
invitation the resulting reply mail is not delivered; it says in a
pop-up:
 
   Error while performing operation.
 
   Could not send message.
   This might mean that your account is over quota.
 
the mail sits in Outbox of the local computer and every click on
send/receive brings up the error box again; while other mail jumps out
fine; any ideas?

        matthias
-- 
Matthias Apitz
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e <guru unixarea de> - w http://www.unixarea.de/
People who hate Microsoft Windows use Linux but people who love UNIX use FreeBSD.