When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of SMTP server return codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SMTP_server_return...

    535 5.7.8 Authentication credentials invalid [3] 538 5.7.11 Encryption required for requested authentication mechanism [3] 550 Requested action not taken: mailbox unavailable (e.g., mailbox not found, no access, or command rejected for policy reasons) 551 User not local; please try <forward-path> 552 Requested mail action aborted: exceeded ...

  3. Fix sending and receiving issues with third-party email apps

    help.aol.com/articles/cant-send-or-receive-email...

    1. Sign into AOL Mail on a web browser. 2. Compose an email and add your own email address in the "To" field. 3. Send the email and check if it arrives.

  4. Why did I receive an email from MAILER-DAEMON? - AOL Help

    help.aol.com/articles/what-is-a-mailer-daemon...

    When you get a message from a "MAILER-DAEMON" or a "Mail Delivery Subsystem" with a subject similar to "Failed Delivery," this means that an email you sent was undeliverable and has been bounced back to you.

  5. Fix problems with third-party mail applications - AOL Help

    help.aol.com/articles/why-cant-i-access-my-aol...

    If you recently changed your AOL password, you'll need to update it in the email client you use. Find your application's "Email Accounts" or "Account Settings" section, select your AOL Mail account, then update to your new password.

  6. Simple Mail Transfer Protocol - Wikipedia

    en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol

    A session may include zero or more SMTP transactions. An SMTP transaction consists of three command/reply sequences: MAIL command, to establish the return address, also called return-path, [24] reverse-path, [25] bounce address, mfrom, or envelope sender. RCPT command, to establish a recipient of the message. This command can be issued multiple ...

  7. Sender Rewriting Scheme - Wikipedia

    en.wikipedia.org/wiki/Sender_Rewriting_Scheme

    The final MTA is also known as Mail delivery agent (MDA), putting the mail into the mailbox of the recipient. The MDA transforms the reverse path into the known Return-Path header field: Return-Path:<@news.server.example:not-for-mail@other.example> SMTP uses MX records for its forward routing. Explicit source routes as in...

  8. Why can't I send mail to AOL Mail users? - AOL Help

    help.aol.com/articles/aol-mail-addresses-are-not...

    Find out more about why your messages to AOL members keep getting rejected.

  9. DomainKeys Identified Mail - Wikipedia

    en.wikipedia.org/wiki/DomainKeys_Identified_Mail

    The RFC itself identifies a number of potential attack vectors. [25] DKIM signatures do not encompass the message envelope, which holds the return-path and message recipients. Since DKIM does not attempt to protect against mis-addressing, this does not affect its utility.