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  2. Return receipt - Wikipedia

    en.wikipedia.org/wiki/Return_receipt

    A non-standard but widely used way to request return receipts is with the "Return-Receipt-To:" (RRT) field in the e-mail header, with the email return address specified. The first time a user opens an email message containing this field in the header, the client will typically prompt the user whether to send a return receipt.

  3. Acknowledgement (data networks) - Wikipedia

    en.wikipedia.org/wiki/Acknowledgement_(data...

    Binary Synchronous Communications (Bisync) and Adaptive Link Rate (for Energy-Efficient Ethernet) are examples. The acknowledgement function is used in the automatic repeat request (ARQ) function. Acknowledgement frames are numbered in coordination with the frames that have been received and then sent to the transmitter.

  4. Automatic repeat request - Wikipedia

    en.wikipedia.org/wiki/Automatic_repeat_request

    Automatic repeat request (ARQ), also known as automatic repeat query, is an error-control method for data transmission that uses acknowledgements (messages sent by the receiver indicating that it has correctly received a message) and timeouts (specified periods of time allowed to elapse before an acknowledgment is to be received) to achieve ...

  5. Turn on or off vacation response in New AOL Mail

    help.aol.com/articles/turn-on-or-off-vacation...

    1. Click on the Settings icon | select More settings. 2. Click Vacation response. 3. Toggle on or off Enable vacation response. 4. Select the dates you want it active. 5. Enter your response message. 6. Click Save. Turn on another response for specific domains. 1. Toggle on or off Add another response. 2. Enter up to 2 domains (like aol.com or ...

  6. 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. These messages are sent automatically and often include the reason for the delivery failure.

  7. Selective Repeat ARQ - Wikipedia

    en.wikipedia.org/wiki/Selective_Repeat_ARQ

    It may be used as a protocol for the delivery and acknowledgement of message units, or it may be used as a protocol for the delivery of subdivided message sub-units. When used as the protocol for the delivery of messages, the sending process continues to send a number of frames specified by a window size even after a frame loss

  8. AOL Mail Help - AOL Help

    help.aol.com/products/new-aol-mail

    You've Got Mail!® Millions of people around the world use AOL Mail, and there are times you'll have questions about using it or want to learn more about its features. That's why AOL Mail Help is here with articles, FAQs, tutorials, our AOL virtual chat assistant and live agent support options to get your questions answered.

  9. Handshake (computing) - Wikipedia

    en.wikipedia.org/wiki/Handshake_(computing)

    An example is the handshaking between a hypervisor and an application in a guest virtual machine. In telecommunications , a handshake is an automated process of negotiation between two participants (example " Alice and Bob ") through the exchange of information that establishes the protocols of a communication link at the start of the ...