Sender accreditation is a third-party process of verifying email senders and requiring them to adhere to certain accreditee usage guidelines in exchange for being listed in a trusted listing that
Internet Service Providers (ISPs) reference to allow certain emails to bypass
email filters.
Overview
As
email
Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices. Email was thus conceived as the electronic ( digital) version of, or counterpart to, mail, at a time when "mail" mean ...
usage explodes, so does its abuse. In reaction to abuse such as
spam and a more vicious, illegal variation known as
phishing, most ISPs have enabled a block list feature to allow users to block specific email senders. Most ISPs have also partnered with
spam filtering companies to improve email acceptance, handling, and delivery decisions. Ultimately, their goal is to block unwanted and suspicious types of emails that are either unrecognized or display characteristics of SPAM variants.
Accreditation Lists
These lists use similar technology as block lists to reinforce the original goal of
spam filtering companies and ISPs - to improve the accuracy and relevance of email acceptance, handling, and delivery decisions. These lists are intended to help ensure email delivery from legitimate bulk and commercial email senders, and prevent them from being erroneously blocked as "spam".
See also
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Certified email
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Authenticated Email
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Anti-spam techniques (email)
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email filtering
Accreditation Resources
ISIPP
Email