Protocols IMAP/POP3 Dovecot (http://www.dovecot.org/) IMAP and POP3 server written primarily with security in mind. Cyrus (http://cyrusimap.org/) Intended to be run on sealed servers, where normal users are not permitted to log in. Qpopper (http://www.eudora.com/products/unsupported/qpopper/) One of the oldest and most popular server implementations of POP3. DBMail (https://github.com/pjstevns/dbmail) Fast and scalable email services, storage of mail … Читать далее Отличный список ИТ-сервисов на все случаи жизни. Обновлено 10.01.2022