On Thu, May 27, 2010 at 04:01:41PM -0300, Alejandro Cabrera Obed wrote: > OK, this is in case of my Thunderbird Debian lenn package, but what > about the Gmail syntax error warning ??? In Hotmail is the same, it > tells me that the recipient address just must have 1-9, a-z and @ > characters....in this case with my IDN domain I wiil remain isolate of > the Hotmail, Yahoo, Gmail world and it's not good !!!
Please waste no further time on this list. Postfix works with IDN. If many clients still don't, that is NOT a Postfix issue. The clients MUST (if they support IDN domains) send punycode encoded domains to the SMTP server. -- Viktor.