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A Domain Name System blocklist, Domain Name System-based blackhole list, Domain Name System blacklist (DNSBL) or real-time blackhole list (RBL) is a service for operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host's IP address is blacklisted for email spam. [1]
SORBS ("Spam and Open Relay Blocking System") was a list of e-mail servers suspected of sending or relaying spam (a DNS Blackhole List). It had been augmented with complementary lists that include various other classes of hosts, allowing for customized email rejection by its users.
This is a list of Simple Mail Transfer Protocol (SMTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. Unless otherwise stated, all status codes described here is part of the current SMTP standard, RFC 5321. The message phrases shown are typical, but any human-readable alternative ...
Yahoo!, once one of the most popular web sites in the United States, is as of September 2021 a content sub-division of the namesake company Yahoo Inc., owned by Apollo Global Management (90%) and Verizon Communications (10%). It has offered a wide range of online sites and services since its inception in 1994, a majority of which are now defunct.
Yahoo! This page was last edited on 29 August 2024, at 07:00 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms ...
Part of the agreement between Yahoo and Xtra provided that Xtra's email addresses be moved over to Yahoo servers in Australia. To access their Yahoo!Xtra Bubble email accounts, customers had to change advanced settings such as port numbers and authentication, in addition to basic settings such as mail server. The move to Yahoo!Xtra Bubble ...
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The 2013 data breach occurred on Yahoo servers in August 2013 and affected all three billion user accounts. The 2014 breach affected over 500 million user accounts. Both breaches are considered the largest ever discovered and included names, email addresses, phone numbers, birth dates, and security questions—both encrypted and unencrypted.