On 2 July 2026 22:55:34 CEST, John Levine <[email protected]> wrote: >It appears that Danjel Jungersen via Postfix-users <[email protected]> said: >>-=-=-=-=-=- >>-=-=-=-=-=- >> >>Hi. >> >>We have strange letters here. (æøåÆØÅ). > >That's an Internationalized Domain Name (IDN), in the Unicode U-label form. >THe encoded A-label equivalent which you can look up in the DNS is >xn--vestskovslbet-knb.dk > >>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]) > >His correspondent's mail is misconfigured. If a mail server is going to >handle mail with IDN addresses, it needs to enable the SMTPUTF8 feature >which his provider mx.simply.com has not done. That is their mistake, >they have to fix it. > >A possible workaround is to send mail to the A-label version of the >address, [email protected] which would not need SMTPUTF8. >I poked at the server and it accepted that address.
Is there a reason why this is not attempted automatically? The receiver claims that he receives mail from other people using the IDN version. And thank you for your time! :-) Danjel > >R's, >John _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
