{"id":2109,"date":"2026-11-10T12:25:53","date_gmt":"2026-11-10T11:25:53","guid":{"rendered":"https:\/\/www.mailfino.com\/?p=2109"},"modified":"2026-11-10T13:53:51","modified_gmt":"2026-11-10T12:53:51","slug":"glossar-whitelist","status":"publish","type":"post","link":"https:\/\/www.mailfino.com\/en\/glossar-whitelist\/","title":{"rendered":"What is an email allowlist?"},"content":{"rendered":"

An email allowlist, also called a whitelist, contains addresses, domains, or IP addresses that a recipient or email service treats as trusted. Whether this affects spam filtering, and how, depends on the rule and receiving service.<\/p>\n\n\n\n

\"An<\/figure>\n\n\n\n

Personal allowlists and organization-wide rules<\/h2>\n\n\n\n

A recipient can create a rule for an expected newsletter address in their own mailbox. An organization might instead manage a central rule for a known business partner. The first rule applies to one mailbox, while the second can affect several. In both cases, other security checks may still apply.<\/p>\n\n\n\n

What can senders control?<\/h2>\n\n\n\n

Recipients or their administrators manage their own allowlist rules. Senders can authenticate messages, monitor complaints, and maintain their mailing lists. DMARC passes when at least one successful SPF or DKIM check authenticates a domain that aligns with the visible From domain.<\/p>\n\n\n\n

The Certified Senders Alliance certifies senders against defined criteria. A CSA-certified sending channel is available in the mailfino Cloud. Certification and a personal allowlist rule are separate. The receiving service makes the delivery decision.<\/p>\n\n\n\n

Further reading<\/h2>\n\n\n\n