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
