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I created a mail account using my IDN domain which works perfectly on every other device.
However, I am not able to send emails from my iPhone. While receiving is not a problem iOS can't send anything from that account. Every time it says that the sending address is not correct?
I also tried it with the resolved IDN domain name and still the same issue.
iPhone 13 Pro
Hey there kn-fa,
If you've verified your account is configured correctly, and you are still unable to send email, you will need to follow the additional steps within If you can’t send email on your iPhone, iPad, or iPod touch
"Contact your email provider or system administrator
Have a good one!
Hello kn-fa,
Welcome to Apple Support Communities. It sounds like you need some help with sending emails from your iPhone. We are happy to help!
This article has steps on what to do if you can't send email : If you can’t send email on your iPhone, iPad, or iPod touch - Apple Support
We hope this helps! Cheers!
I already mentioned that the account settings are definitely correct and also receiving emails works without any errors.
Furthermore there is another account with another domain from the same provider working without any issues.
The error appears when I try to send something from that specific IDN mail address, but only on my iPhone!
Understood kn-fa,
At this stage, we'd recommend that you Contact Apple Support so that they can review this directly with you in greater detail.
Thanks for using Apple Support Communities!
Sorry, but that didn't help at all.
There is no misconfiguration, iOS just has troubles with the IDN domain.
Error with iOS Mail App using IDN domain
