OpenSMTPD is a FREE implementation of the server-side SMTP protocol as
defined by RFC 5321, with some additional standard extensions. It
allows ordinary machines to exchange e-mails with other systems
speaking the SMTP protocol.
This module allows you to build HTML emails, optionally with a
text-only alternative and embedded media objects. For example,
an HTML email with an alternative version in plain text and
with all the required images contained in the mail.
This module simply wraps MIME::Base64 and MIME::QuotedPrint so that you
can throw the contents of a Content-Transfer-Encoding header at some
text and have the right thing happen.
This module provides a very simple, very clean, very specific interface
to multiple Email mailers. The goal of this software is to be small
and simple, easy to use, and easy to extend.
IMAP-Admin is a Perl module for basic IMAP server administration. With
this module it's easy to make Perl scripts to create new and remove obsolete
IMAP accounts, set user quotas on Cyrus server etc.
This modules will send in a easy way e-mails, and doesn't have dependencies.
Soo, you don't need to install libnet.
It supports SMTP authentication and attachments.
Mail::Transport::Dbx gives you platform independent access to Outlook
Express' dbx files. Extract subfolders, messages etc. from those or use
it to convert dbx archives into a more portable format (such as standard
mbox format).
Net::IMAP::Server provides a complete implementation of the RFC 3501
specification, along with several IMAP4rev1 extensions. It provides
separation of the mailbox and message store from the client interaction
loop.
Evolution-ews is a plugin for Evolution that adds Exchange integration though
Exchange Web Service.
See the following link for development.
https://docs.google.com/spreadsheet/ccc?key=0ArU7C3muFYmHdHlvZUpRQ0FKQkNVck5kc1BpSDhkSGc&hl=en_U
pymsgauth is a toolkit for automatically and securely dealing with qsecretary
confirmation notices (used on mailing lists run by D.J. Bernstein).
It is written in Python, and licensed under GPL.