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  2. List of SMTP server return codes - Wikipedia

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

    X.2.XXX Mailbox Status. X.3.XXX Mail System Status. X.4.XXX Network and Routing Status. X.5.XXX Mail Delivery Protocol Status. X.6.XXX Message Content or Media Status. X.7.XXX Security or Policy Status. The meaning of the "detail" field depends on the class and the subject, and are listed in RFC 3463 and RFC 5248 .

  3. Webmail - Wikipedia

    en.wikipedia.org/wiki/Webmail

    Webmail. Webmail (or web-based email) is an email service that can be accessed using a standard web browser. It contrasts with email service accessible through a specialised email client software. Additionally, many internet service providers (ISP) provide webmail as part of their internet service package. Similarly, some web hosting providers ...

  4. Sender Policy Framework - Wikipedia

    en.wikipedia.org/wiki/Sender_Policy_Framework

    Sender Policy Framework ( SPF) is an email authentication method which ensures the sending mail server is authorized to originate mail from the email sender's domain. [1] [2] This authentication only applies to the email sender listed in the "envelope from" field during the initial SMTP connection. If the email is bounced, a message is sent to ...

  5. Outlook.com - Wikipedia

    en.wikipedia.org/wiki/Outlook.com

    Outlook.com, formerly Hotmail, is a free personal email service offered by Microsoft. This includes a webmail interface featuring mail, calendaring, contacts, and tasks services. Outlook can also be accessed via email clients using the IMAP or POP protocols. Founded in 1996 by Sabeer Bhatia and Jack Smith as Hotmail, it was acquired by ...

  6. Finger (protocol) - Wikipedia

    en.wikipedia.org/wiki/Finger_(protocol)

    Typically the server side of the protocol is implemented by a program fingerd or in.fingerd (for finger daemon), while the client side is implemented by the name and finger programs which are supposed to return a friendly, human-oriented status report on either the system at the moment or a particular person in depth.

  7. HTTPS - Wikipedia

    https://en.wikipedia.org/wiki/HTTPS

    Server setup. To prepare a web server to accept HTTPS connections, the administrator must create a public key certificate for the web server. This certificate must be signed by a trusted certificate authority for the web browser to accept it without warning. The authority certifies that the certificate holder is the operator of the web server ...

  8. Email address - Wikipedia

    en.wikipedia.org/wiki/Email_address

    For example, Gmail ignores all dots in the local-part of a @gmail.com address for the purposes of determining account identity. Sub-addressing. Some mail services support a tag included in the local-part, such that the address is an alias to a prefix of the local-part.

  9. Email forwarding - Wikipedia

    en.wikipedia.org/wiki/Email_forwarding

    Email forwarding. Email forwarding generically refers to the operation of re-sending a previously delivered email to an email address to one or more different email addresses. The term forwarding, used for mail since long before electronic communications, has no specific technical meaning, [1] but it implies that the email has been moved ...