On January 4, 2016 3:10:16 AM King Cao <speedj...@gmail.com> wrote:
Postfix will convert those non-printable character (or invalid UTF8 characters) into "?", then write them into log file, so europeon characters in msgid or sender will be "?" which cause the troubleshooting is hard.
is your filesystem smtputf8 ready ? if not dont complain to postfix
