My mail server periodically sends out a newsletter to my clients. This is handled by a Perl script on the server. A few of the recipients names contain non-ASCII characters like ä, é, ö, etc. On my server, Postfix is setup with smtputf8_enabled = yes (or actually, the setting is omitted in main.cf since it defaults to 'yes'). For most of these clients, mail is delivered without a problem. But a few of the recipients' mail servers bounce my mails. My mail.info log file shows:
status=bounced (SMTPUTF8 is required, but was not offered by host ...
I've searched the interwebs and if I understand correctly, this is actually a problem at the receiving mail server, not the sending (my) mail server. But since I cannot change anything at the receiving end, and I still want those clients to receive my newsletter, what can I do at my end?
Thanks in advance!
