[Dovecot] Re: Illegal characters in message names

[Paul Adams]

> As you can see, procmail puts a slash in the middle of the name, which
> of course is not allowed. This causes the rule to break, and the mail
> to be delivered to the default mailbox instead of the intended.

That looks like this procmail bug:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=62859

Upgrading to procmail 3.22 should fix the problem.

	Paul