Does the Web Navigation system support using IDNs in e-mail?
The Web Navigation system specifically does not support using IDNs in e-mail, but we want to proIf the user declines to download the i-Nav plug-in, the Web Navigation Server redirects her browser to the desired Web site using the ACE (ASCII-compatible encoding) version of the IDN she originally entered.vide a reasonable user experience in response to e-mail sent to an IDN destination. The com/net name servers will continue to return NXDOMAIN (RCODE=3) responses to MX queries for illegally formed host names. Some mail transport agents (MTAs), however, also query for the A record of an e-mail destination and such queries will return an A record for the Web Navigation Servers. To accommodate such MTAs, the Web Navigation Servers run an SMTP server on the standard TCP port 25. This SMTP server bounces any messages it receives back to the sender with a brief explanatory message. Without this immediate bounce behavior, such e-mail could potentially be queued for several days on the originati
