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  2. United States Department of Health and Human Services

    en.wikipedia.org/wiki/United_States_Department...

    The United States Department of Health and Human Services ( HHS) is a cabinet-level executive branch department of the U.S. federal government created to protect the health of the U.S. people and providing essential human services. Its motto is "Improving the health, safety, and well-being of America". [3]

  3. Message transfer agent - Wikipedia

    en.wikipedia.org/wiki/Message_transfer_agent

    Within the Internet email system, a message transfer agent ( MTA ), [1] mail transfer agent, [2] or mail relay is software that transfers electronic mail messages from one computer to another using the Simple Mail Transfer Protocol. [3] In some contexts, the alternative names mail server, mail exchanger, or MX host are used to describe an MTA.

  4. 2021 Microsoft Exchange Server data breach - Wikipedia

    en.wikipedia.org/wiki/2021_Microsoft_Exchange...

    The first breach of a Microsoft Exchange Server instance was observed by cybersecurity company Volexity on 6 January 2021. [1] By the end of January, Volexity had observed a breach allowing attackers to spy on two of their customers, and alerted Microsoft to the vulnerability. After Microsoft was alerted of the breach, Volexity noted the ...

  5. What is the difference between POP3 and IMAP? - AOL Help

    help.aol.com/articles/what-is-the-difference...

    IMAP (Internet Messaging Access Protocol) • Emails are stored on the server. • Sent messages are stored on the server. • Messages can be synced and accessed across multiple devices. POP3 (Post Office Protocol) • Emails are stored on a single device. • Sent messages are stored on a single device. • Emails can only be accessed from a ...

  6. Post Office Protocol - Wikipedia

    en.wikipedia.org/wiki/Post_Office_Protocol

    v. t. e. In computing, the Post Office Protocol ( POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. [1] Today, POP version 3 ( POP3) is the most commonly used version. Together with IMAP, it is one of the most common protocols for email retrieval.

  7. Mercury Mail Transport System - Wikipedia

    en.wikipedia.org/wiki/Mercury_Mail_Transport_System

    The combination of Pegasus/Mercury is similar to the mail aspects of Microsoft Outlook/Microsoft Exchange Server. Mercury was originally developed to handle mail, both internal and external, on Netware servers in either bindery or NDS mode; Mercury ran on the system server, and integrated with Pegasus mail running on MS-DOS or Windows workstations.

  8. Comparison of email clients - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_email_clients

    As of October 2016, email clients supporting SMTPUTF8 included Outlook 2016, mail for iOS, and mail for Android. [citation needed] See also. Comparison of feed aggregators; Comparison of browser engines; Comparison of mail servers; Comparison of webmail providers; List of personal information managers; Unicode and email; Webmail; References

  9. Lavabit - Wikipedia

    en.wikipedia.org/wiki/Lavabit

    Open-source (mail server) Lavabit is an open-source encrypted webmail service, founded in 2004. The service suspended its operations on August 8, 2013 after the U.S. Federal Government ordered it to turn over its Secure Sockets Layer (SSL) private keys, in order to allow the government to spy on Edward Snowden 's email. [1] [2] [3] [4]