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  2. List of printing protocols - Wikipedia

    en.wikipedia.org/wiki/List_of_printing_protocols

    A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.

  3. List of SMTP server return codes - Wikipedia

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

    C: This is a test message with 5 header fields and 4 lines in the message body. C: Your friend, C: Bob C: . S: 250 Ok: queued as 12345 C: QUIT S: 221 Bye {The server closes the connection} And below is an example of an SMTP connection in which the SMTP Server supports the Enhanced Status Code, taken from RFC 2034:

  4. phpList - Wikipedia

    en.wikipedia.org/wiki/PhpList

    phpList is open-source software for managing mailing lists. It is designed for the dissemination of information, such as newsletters, news, advertising to list of subscribers. It is designed for the dissemination of information, such as newsletters, news, advertising to list of subscribers.

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

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

    While you may be following at the rules for sending mail, it's likely the address you're sending mail from is hosted on a server our system had identified as "abusive". To restore your ability to email AOL members, ask the administrator of your email domain to submit a request to the AOL Postmaster support team. The process to review these ...

  6. Internet Printing Protocol - Wikipedia

    en.wikipedia.org/wiki/Internet_Printing_Protocol

    The protocol allows clients to submit one or more print jobs to the network-attached printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs. Like all IP-based protocols, IPP can run locally or over the Internet.

  7. Line Printer Daemon protocol - Wikipedia

    en.wikipedia.org/wiki/Line_Printer_Daemon_protocol

    A server for the LPD protocol listens for requests on TCP port 515. [1] A request begins with a byte containing the request code, followed by the arguments to the request, and is terminated by an ASCII LF character. An LPD printer is identified by the IP address of the server machine and the queue name on that machine. Many different queue ...

  8. Fix problems signing in to AOL Mail - AOL Help

    help.aol.com/articles/fix-problems-signing-in-to...

    If you use a firewall and are getting a blank page when trying to access AOL Mail, you may need to disable your pop-up blocking software or add AOL to your allowlist. While you'll need to contact your software vendor for specifics to your software, most browsers will allow you a temporary bypass by holding down the Shift key as you click web ...

  9. Open mail relay - Wikipedia

    en.wikipedia.org/wiki/Open_mail_relay

    Until the 1990s, mail servers were commonly intentionally configured as open relays; in fact, this was frequently the installation default setting. [1] The traditional store and forward method of relaying e-mail to its destination required that it was passed from computer to computer (through and beyond the Internet) via modems on telephone lines.