…hen the SMTPUTF8-aware SMTP server supports enhanced mail system status codes [ RFC3463 ], reply- code "X.6.7" [ RFC5248 ] (see Section 4 ) is used, meaning "Non-ASCII addresses not permitted for that sender/recipient". When messages are rejected for other reasons, the server fol…
…When the SMTPUTF8-aware SMTP server supports enhanced mail system status codes [RFC3463], reply- code "X.6.7" [RFC5248] (see Section 4) is used, meaning "Non-ASCII addresses not permitted for that sender/recipient". When messages are rejected for other reasons, the server follows…
…hen the SMTPUTF8-aware SMTP server supports enhanced mail system status codes [ RFC3463 ], reply- code "X.6.7" [ RFC5248 ] (see Section 4 ) is used, meaning "Non-ASCII addresses not permitted for that sender/recipient". When messages are rejected for other reasons, the server fol…
…ilbox unavailable". When the server supports enhanced mail system status codes [RFC3463], response code "X.6.7" [RFC5248] is used, meaning that "The ALT-ADDRESS is required but not specified". If the response code is issued after the final "." of the DATA command, the response co…
…lbox unavailable". When the server supports enhanced mail system status codes [ RFC3463 ], response code "X.6.7" [ RFC5248 ] is used, meaning that "The ALT-ADDRESS is required but not specified". If the response code is issued after the final "." of the DATA command, the response…
…f 550 (see [ RFC5321 ]) and, if supported, the 5.7.1 enhanced status code (see [RFC3463], Section 3.8 ), in addition to an appropriate reply text. The check_host() function will return either a default explanation string or one from the domain that published the SPF records (see …
…r locale. o The formats for Delivery Status Notifications (DSNs -- [ RFC3462 ], RFC3463 ], [ RFC3464 ]) and Message Disposition Notifications (MDNs -- [ RFC3798 ]) include both a structured and unstructured representation of the notification. In the event that the unstructured re…