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
Phishing is a type of social engineering where an attacker sends a fraudulent (e.g., spoofed, fake, or otherwise deceptive) message designed to trick a person into revealing sensitive information to the attacker or to deploy malicious softwa ...
, most ISPs have enabled a block list feature to allow users to block specific email senders. Most ISPs have also partnered with
spam filter
Email filtering is the processing of email to organize it according to specified criteria. The term can apply to the intervention of human intelligence, but most often refers to the automatic processing of messages at an SMTP server, possibly appl ...
ing 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 filter
Email filtering is the processing of email to organize it according to specified criteria. The term can apply to the intervention of human intelligence, but most often refers to the automatic processing of messages at an SMTP server, possibly appl ...
ing 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
Certified email (known as ''Posta elettronica certificata'' in Italy, or ''PEC'' in short) is a special type of email in use in Italy, Switzerland, Hong Kong and Germany. Certified email is meant to provide a legal equivalent of the traditional ...
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Authenticated Email Email authentication, or validation, is a collection of techniques aimed at providing verifiable information about the origin of email messages by validating the domain ownership of any message transfer agents (MTA) who participated in transferring ...
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Anti-spam techniques (email)
Various anti-spam techniques are used to prevent email spam (unsolicited bulk email).
No technique is a complete solution to the spam problem, and each has trade-offs between incorrectly rejecting legitimate email (false positives) as opposed to ...
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email filtering
Email filtering is the processing of email to organize it according to specified criteria. The term can apply to the intervention of human intelligence, but most often refers to the automatic processing of messages at an SMTP server, possibly appl ...
Accreditation Resources
ISIPP
Email