SMTP VRFY IDN # # Server-side CAPA SMTPUTF8 252 Send some mail and I'll try my best # # Client-side smtp IDN !win32 codeset-utf8 LC_ALL=en_US.UTF-8 LC_CTYPE=en_US.UTF-8 SMTP external VRFY with SMTPUTF8 support smtp://%HOSTIP:%SMTPPORT/%TESTNUMBER --mail-rcpt Användaren@åäö.se # # Verify data after the test has been "shot" EHLO %TESTNUMBER VRFY Användaren@xn--4cab6c.se SMTPUTF8 QUIT