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A bounce address is an email address to which bounce messages are delivered. There are many variants of the name, none of them used universally, including return path, reverse path, envelope from, envelope sender, MAIL FROM, 5321-FROM, return address, From_, Errors-to, etc. It is not uncommon for a single document to use several of these names.
Some legitimate e-mail gets sent with empty return address that is not a bounce and therefore will not have the special tokens. For example, the Delivery Status Notification extension defined in RFC 3461 requires a null return path when sending email with a "NOTIFY=NEVER" option to a non-conforming server.
The scheme provides a way to recover the original envelope address so that if a bounce does arrive, it can be forwarded along the reverse path, but this time with an empty envelope sender. While there are other workarounds, SRS is a fairly general one. Its notion of reversing the path resembles the original routing dispositions for email, see ...
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. These messages are sent automatically and often include the reason for the delivery failure.
When a Simple Mail Transfer Protocol (SMTP) email is sent, the initial connection provides two pieces of address information: . MAIL FROM: generally presented to the recipient as the Return-path: header but not normally visible to the end user, and by default no checks are done that the sending system is authorized to send on behalf of that address.
1. Click the Settings icon | click More Settings. 2. Click Mailboxes | click Add under Send-only email address. 3. Enter the send-only email address. 4. Click Verify. 5. Open the email and follow the instructions to verify the address.
A "Basic Status Code" SMTP reply consists of a three digit number (transmitted as three numeric characters) followed by some text. The number is for use by automata (e.g., email clients) to determine what state to enter next; the text ("Text Part") is for the human user. The first digit denotes whether the response is good, bad, or incomplete:
• Backing up your email? Some apps default to only download a preview or snippet of your emails until an email is opened. Make sure your app is set to download the full contents of your email for offline use. • Limitations for large folders - Folders containing upwards of 1 million or more emails will have issues downloading all the ...