[pfx] SMTPUTF8
Danjel Jungersen via Postfix-users <[email protected]> Thu, 2 Jul 2026 22:05:10 +0200
| Newsgroups | gmane.mail.postfix.user |
|---|---|
| Organization | Jungersen Grafisk ApS |
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --===============3826897913334927693== Content-Type: multipart/alternative; boundary="------------YbWqNMG27M4FF3Mkggpt9M7j" Content-Language: en-US, da This is a multi-part message in MIME format. --------------YbWqNMG27M4FF3Mkggpt9M7j Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi. We have strange letters here. (æøåÆØÅ). I have a user that tries to send to a domain containing one of these letters. In the log I see: root@mail:~# grep -rni 3E0D010E0084 /var/log/mail.log.1 15895:2026-06-27T09:47:30.255687+02:00 mail postfix/submission/smtpd[382886]: 3E0D010E0084: client=unknown[185.108.102.149], sasl_method=PLAIN, [email protected] 15896:2026-06-27T09:47:30.353382+02:00 mail postfix/cleanup[382896]: 3E0D010E0084: message-id=<[email protected]> 15897:2026-06-27T09:47:30.609117+02:00 mail postfix/qmgr[353848]: 3E0D010E0084: from=<[email protected]>, size=797, nrcpt=1 (queue active) 15899:2026-06-27T09:47:31.121699+02:00 mail postfix/smtp[382900]: 3E0D010E0084: to=<stefan@vestskovsløbet.dk>, relay=mx.simply.com[94.231.106.20]:25, delay=0.88, delays=0.46/0.1/0.32/0, dsn=5.6.7, status=bounced (SMTPUTF8 is required, but was not offered by host mx.simply.com[94.231.106.20]) 15901:2026-06-27T09:47:31.165355+02:00 mail postfix/bounce[382903]: 3E0D010E0084: sender non-delivery notification: 1F0CB10E0218 15903:2026-06-27T09:47:31.171322+02:00 mail postfix/qmgr[353848]: 3E0D010E0084: removed Two questions... 1) Any way to solve this? (Without being unwise) Or is it the receiving server that have issues? 2) My user claims not getting a bounce, can I see if this is correct? I found this: root@mail:~# grep -rni 1F0CB10E0218 /var/log/mail.log.1 15900:2026-06-27T09:47:31.130716+02:00 mail postfix/cleanup[382896]: 1F0CB10E0218: message-id=<[email protected]> 15901:2026-06-27T09:47:31.165355+02:00 mail postfix/bounce[382903]: 3E0D010E0084: sender non-delivery notification: 1F0CB10E0218 15902:2026-06-27T09:47:31.168593+02:00 mail postfix/qmgr[353848]: 1F0CB10E0218: from=<>, size=3402, nrcpt=1 (queue active) 15905:2026-06-27T09:47:31.383758+02:00 mail postfix/lmtp[382904]: 1F0CB10E0218: to=<[email protected]>, relay=mail.jungersen.dk[private/dovecot-lmtp], delay=0.21, delays=0.04/0.08/0.1/0, dsn=5.6.7, status=bounced (SMTPUTF8 is required, but was not offered by host mail.jungersen.dk[private/dovecot-lmtp]) 15907:2026-06-27T09:47:31.387770+02:00 mail postfix/qmgr[353848]: 1F0CB10E0218: removed -- Med venlig hilsen/Kind regards Danjel Jungersen Mail: [email protected] Mobile: +45 20 42 20 11 Jungersen Grafisk ApS, Holsbjergvej 39, DK-2620 Albertslund, Denmark. Tel: +45 43 64 10 00 WEBSHOP: PRINTLIGHT.DK <https://www.printlight.dk> | WWW.JUNGERSEN.DK <https://www.jungersen.dk> --------------YbWqNMG27M4FF3Mkggpt9M7j Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit <!DOCTYPE html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body> <p>Hi.</p> <p>We have strange letters here. (æøåÆØÅ).</p> <p>I have a user that tries to send to a domain containing one of these letters.</p> <p>In the log I see:</p> <p>root@mail:~# grep -rni 3E0D010E0084 /var/log/mail.log.1<br> 15895:2026-06-27T09:47:30.255687+02:00 mail postfix/submission/smtpd[382886]: 3E0D010E0084: client=unknown[185.108.102.149], sasl_method=PLAIN, <a class="moz-txt-link-abbreviated" href="mailto:[email protected]">[email protected]</a><br> 15896:2026-06-27T09:47:30.353382+02:00 mail postfix/cleanup[382896]: 3E0D010E0084: message-id=<a class="moz-txt-link-rfc2396E" href="mailto:[email protected]"><[email protected]></a><br> 15897:2026-06-27T09:47:30.609117+02:00 mail postfix/qmgr[353848]: 3E0D010E0084: from=<a class="moz-txt-link-rfc2396E" href="mailto:[email protected]"><[email protected]></a>, size=797, nrcpt=1 (queue active)<br> 15899:2026-06-27T09:47:31.121699+02:00 mail postfix/smtp[382900]: 3E0D010E0084: to=<a class="moz-txt-link-rfc2396E" href="mailto:stefan@vestskovsløbet.dk"><stefan@vestskovsløbet.dk></a>, relay=mx.simply.com[94.231.106.20]:25, delay=0.88, delays=0.46/0.1/0.32/0, dsn=5.6.7, status=bounced (SMTPUTF8 is required, but was not offered by host mx.simply.com[94.231.106.20])<br> 15901:2026-06-27T09:47:31.165355+02:00 mail postfix/bounce[382903]: 3E0D010E0084: sender non-delivery notification: 1F0CB10E0218<br> 15903:2026-06-27T09:47:31.171322+02:00 mail postfix/qmgr[353848]: 3E0D010E0084: removed</p> <p>Two questions...</p> <p>1) Any way to solve this? (Without being unwise)<br> Or is it the receiving server that have issues?</p> <p>2) My user claims not getting a bounce, can I see if this is correct?</p> <p>I found this:<br> root@mail:~# grep -rni 1F0CB10E0218 /var/log/mail.log.1<br> 15900:2026-06-27T09:47:31.130716+02:00 mail postfix/cleanup[382896]: 1F0CB10E0218: message-id=<a class="moz-txt-link-rfc2396E" href="mailto:[email protected]"><[email protected]></a><br> 15901:2026-06-27T09:47:31.165355+02:00 mail postfix/bounce[382903]: 3E0D010E0084: sender non-delivery notification: 1F0CB10E0218<br> 15902:2026-06-27T09:47:31.168593+02:00 mail postfix/qmgr[353848]: 1F0CB10E0218: from=<>, size=3402, nrcpt=1 (queue active)<br> 15905:2026-06-27T09:47:31.383758+02:00 mail postfix/lmtp[382904]: 1F0CB10E0218: to=<a class="moz-txt-link-rfc2396E" href="mailto:[email protected]"><[email protected]></a>, relay=mail.jungersen.dk[private/dovecot-lmtp], delay=0.21, delays=0.04/0.08/0.1/0, dsn=5.6.7, status=bounced (SMTPUTF8 is required, but was not offered by host mail.jungersen.dk[private/dovecot-lmtp])<br> 15907:2026-06-27T09:47:31.387770+02:00 mail postfix/qmgr[353848]: 1F0CB10E0218: removed</p> <p><br> </p> <div class="moz-signature">-- <br> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title></title> Med venlig hilsen/Kind regards<br> Danjel Jungersen<br> Mail: <a class="moz-txt-link-abbreviated moz-txt-link-freetext" href="mailto:[email protected]">[email protected]</a><br> Mobile: +45 20 42 20 11<br> <br> Jungersen Grafisk ApS,<br> Holsbjergvej 39, DK-2620 Albertslund,<br> Denmark.<br> Tel: +45 43 64 10 00<br> <br> <a href="https://www.printlight.dk" moz-do-not-send="true">WEBSHOP: PRINTLIGHT.DK</a> | <a href="https://www.jungersen.dk" moz-do-not-send="true">WWW.JUNGERSEN.DK</a><br> <br> <br> </div> </body> </html> --------------YbWqNMG27M4FF3Mkggpt9M7j-- --===============3826897913334927693== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected] --===============3826897913334927693==--