emailed to the below email addresses with gmail webmail with safari 9.0.3 and both have sent without any auto error replies. André Schappo On 6 Mar 2016, at 15:30, Mark Svancarek <marksv@microsoft.com<mailto:marksv@microsoft.com>> wrote: Here are two addresses for testing. Please send some messages to these addresses, then share back the results. مارك@رسيل.السعودية<mailto:%D9%85%D8%A7%D8%B1%D9%83@xn--wgbe5cxa.xn--mgberp4a5d4ar> 微软测试@互联网.中国<mailto:%E5%BE%AE%E8%BD%AF%E6%B5%8B%E8%AF%95@xn--blq510jgwa.xn--fiqs8s> Please tell us your configuration: · OS · Browser version (if you used a browser mail application) · Email application version(if you didn’t use a browser) Also send us the results. Even if it worked perfectly, we need to know. If it failed or has an error, share the error text. If address was changed to punycode, share that also. Thank you for your help achieving Universal Acceptance in the email ecosystem! -Mark Svancarek