Jaro Mail is an integrated suite of interoperable tools for GNU/Linux and Apple/OS X to manage email communication in a private way, without relying on online services (in fact, encouraging users to store email locally). It mainly features a system for mailinglist filtering, address-book integrated whitelisting, strong encryption and anonymous remailing, long-term email storage and archiving with functions for fast search and usage statistics. To accomplish all that, it makes use of solid Unix tools like Mutt, Fetchmail, Mairix, Msmtp, GnuPG, Abook, ELinks, and Mixmaster.
Extract Name from Email Address extracts a person's name from an email address header. It uses certain heuristics to evaluate common ways people put their names in email addresses to split the name into its multiple parts. A dictionary of common names may be used to assure the extracted names are part of the actual person's name.
S22.Imap is an easy-to-use and well-documented .NET library component for communicating with and receiving electronic mail from an Internet Message Access Protocol (IMAP) servers. It supports IMAP IDLE notifications and IMAP over SSL, allows selective fetching of parts of mail messages, is inherently thread-safe, and is well documented with lots of example code.
Collax Business Server is an all-in-one Linux server for small- and medium-sized businesses. It delivers all the important network services within a heterogeneous business environment for communication, infrastructure, compliance, groupware, and storage, all in a reliable and secure way which is easy to manage. It also provides essential security functions such as firewalling and virus and spam filtering, to protect against hacker attacks, viruses, and unsolicited email messages.
piler is an email archiving application with all the features required for an average company. The most prominent features are full text searching, deduplication, compression, encryption, digital fingerprinting, policy rules, access control, a built-in SMTP server, and Active Directory/openldap support.