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Message authentication code. In cryptography, a message authentication code ( MAC ), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity -checking a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity).
Exchange Online Protection (EOP, formerly Forefront Online Protection for Exchange or FOPE) is a hosted e-mail security service, owned by Microsoft, that filters spam and removes computer viruses from e-mail messages.
Last-call return, automatic recall, or (on PBX and centrex service) camp-on, is a telecommunication feature offered by telephony service providers to subscribers to provide the subscriber with the telephone number, and sometimes the time, of the last caller. The service may also offer the facility to place a call to the calling party .
The ability to recall or unsend an email is not available in AOL Mail, because we provide a web-based service which sends messages instantly and once you send an email message, it's gone from your email server and out of our control. If you're unsure about sending an email, save the message to think things over, then send it later.
Learn how to update your settings to make AOL Mail look and feel exactly how you need it. Netscape Internet Service (ISP) ยท Jan 30, 2024. Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
1-5-7-1. 1-5-7-1 is the name of a family of calling features in the United Kingdom, for residential and business telephone lines and for mobile telephones, that are provided by BT Group and several other telephone service providers. The family is named after the telephone number 1571, the special service number that is used to access it.
In computer networking, Point-to-Point Protocol ( PPP) is a data link layer (layer 2) communication protocol between two routers directly without any host or any other networking in between. It can provide loop detection, authentication, transmission encryption, [1] and data compression . PPP is used over many types of physical networks ...
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.