Another mailer solution.

Email marketing automation

A library to inline CSS in email templates.

A library to access mailboxes via POP3, IMAP and NNTP.

A powerful library for creating and sending emails.

An email reply parser library.

An IMAP library.

A library for email services such as SendGrid, PostMark, MailGun and MailChimp.

A small email address validation library.