259+ email tools for developers — transactional APIs, newsletter platforms, and drip campaigns. Alternatives to Mailchimp and SendGrid.
All-in-one mail server with JMAP, IMAP4, and SMTP support and a wide range of modern features
Email lead and validation APIs
Complete mailserver solution leveraging the Nix Ecosystem
Email and SMTP testing with web and API interface
SMTP (email) server with a focus on simplicity, security, and ease of operation
Email and address verification
Email (IMAP/POP3), contacts and calendar server
Manage electronic mail discussion and e-newsletter lists
Newsletter and email marketing with advanced management of subscribers, bounces, and plugins
IMAP and POP3 server written primarily with security in mind
Another browser-based IMAP client
End-to-end email testing tool