[Dovecot] When the subject portion of an e-mail contains a control character, dovecot.sieve terminates unexpectatedly.

[Atsuko Tanaka]

Thank you for reply.

(2014/05/05 21:24), Timo Sirainen wrote:
> Is there a reason why mails contain these kind of control characters?
> Is it commonly used? And is it OK if Dovecot translates them to UTF-8
> for the rewritten header, or would the subject have to stay
> ISO-2022-JP encoded? 

Not common, but it is present.
Spammers may send.
I'm in trouble in fact.

Atsuko Tanaka