Gaggle Mail Uptime Monitor

Mail-List.com provides secure email discussion group hosting with features like guaranteed delivery, file attachments, and unlimited support for organizations of all sizes.

EMail Parrot is a secure email service that enables private group communication without sharing personal information, protecting users from spam, phishing, and data exposure.

GroupMail offers robust, easy-to-use software for sending group email campaigns, automated messages, and targeted newsletters with a one-time purchase and no monthly fees.

Dada Mail is a contemporary, self-hosted mailing list manager that enables verified email campaigns, discussion lists, and comprehensive analytics with flexible sending options.

Fastmail offers a secure, privacy-focused email and calendar service designed for individuals, families, and businesses. Featuring powerful productivity tools, advanced spam protection, and seamless migration, it serves as a premium alternative to mainstream email providers.

Atmail delivers secure, reliable, and fully white-labelled cloud-native email services, enabling businesses to outsource their email operations and focus on core objectives while ensuring accessibility, scalability, and data privacy.