System.Web.Mail FAQ

Complete FAQ Listing

6.1.7 RFC 1846 SMTP 521 Reply Code Printer Friendly   Email This FAQ   Discuss
This memo defines a new Simple Mail Transfer Protocol (SMTP) [1] reply code, 521, which one may use to indicate that an Internet host does not accept incoming mail.

Discuss This FAQ Item
Got a question? Another Suggestion? Want to post your solution? Discuss it below.
New Post