Editing Whitelist (section)

==Email whitelists==
[[Spam filter]]s often include the ability to "whitelist" certain sender IP addresses, email addresses or domain names to protect their email from being rejected or sent to a junk mail folder. These can be manually maintained by the user<ref>e.g. [[Amazon Kindle|Kindle]] users control the whitelist for email access. Besides Amazon itself, only e-mail addresses whitelisted by the device's registered owner can send content ("personal documents") to that device.</ref> or system administrator - but can also refer to externally maintained whitelist services.{{cn|date=July 2024}}<ref>{{Cite web |title=IP and domain reputation |url=https://www.spamhaus.org/resource-hub/ip-domain-reputation/ |website=Spamhaus Project}}</ref>

===Non-commercial whitelists===
Non-commercial whitelists are operated by various non-profit organizations, ISPs, and others interested in blocking spam. Rather than paying fees, the sender must pass a series of tests; for example, their email server must not be an [[open relay]] and have a [[static IP address]]. The operator of the whitelist may remove a server from the list if complaints are received.{{cn|date=July 2024}}<ref>{{Cite web |title=Spamhaus' Blocklists |url=https://www.spamhaus.org/blocklists/}}</ref>

===Commercial whitelists===
Commercial whitelists are a system by which an [[Internet service provider]] allows someone to bypass [[spam filter]]s when sending [[email]] messages to its subscribers, in return for a pre-paid fee, either an annual or a per-message fee. A sender can then be more confident that their messages have reached recipients without being blocked, or having links or images stripped out of them, by spam filters. The purpose of commercial whitelists is to allow companies to reliably reach their customers by email.{{cn|date=July 2024}}