MailMonitor   
http://www.digiarch.org

MailMonitor is a program enabling you to monitor incoming and outgoing mail traffic to and from you mail server and clients. It tracks, displays and logs incoming and outgoing SMTP sessions, POP sessions and sent and received e-mails. It can store incoming and outgoing e-mail in a separate directory independent of mail clients. Finally, it keeps a trace of all e-mail related session traffic (at packet level). This enables you to explore in depth what is going on in your e-mail environment. These features make MailMonitor a valuable tool for tracking your e-mail flow in your e-mail environment in case of problems with sending or receiving e-mail. Watch for unsolicited mail forwarding, SMTP hacking (spammers that use your server to send their messages) and a host of other e-mail server related problems. Features: View SMTP and POP3 sessions with complete session trace. Track all e-mails passing your server. Monitor SMTP authentication with IP, username and password. Monitor POP authentication. Scan for mail errors and abnormalities. Store every e-mail passing your server. See a complete packet level trace of e-mail traffic only. Supports VPN tunnels. Bottom line: If you have mail server problems, MailMonitor shows you what's going on at port and packet level.

GetMail   
http://www.e-eeasy.com

Can't read your Hotmail in your favourite mail client? Can't read your Hotmail on your mobile phone? Used to have a Hotmail account but now have a new account(s)? Have a GMail account and want to gather your old e-mail accounts together? Got a Blackberry device? Want to moitor your childrens e-mail? The uses for GetMail are virtually endless. GetMail will forward e-mail from a Hotmail/MSN or POP3 account(s) to any number of destination accounts and has some very clever advanced features! Mark mail as read or delete it, forward from any Hotmail/MSN folders (inbox,bulk,your own folders), mark which source folder a mail came from, filter for spam, filter for zip/exe attachments, intelligent forwarding (leave e-mail on the server and it will not be forwarded more than once, unless you choose to!), migration tool to make moving from one account to another very easy (even by-passing Hotmails sending limit) PLUS MANY MANY MORE FEATURES!

eMail2Pop   
http://www.porkchup.com

eMail2Pop functions as a POP3 and SMTP mail interface and spam filtering solution for AOL® Mail and Google Gmail(tm) accounts. eMail2Pop converts AOL mail and Gmail into a standard mail format. This means that AOL and Gmail users can retrieve their email from their favorite email client (such as Microsoft Outlook, Eudora, Incredimail, Act, The Bat, etc). eMail2Pop also includes a powerful integrated spam filter. For AOL accounts, eMail2Pop is independent of the AOL software program and does not require AOL to be installed for most users. The eMail2Pop Wizard will walk first-time users through setting up their email program to manage AOL Mail and Gmail. The integrated spam filter is very customizable, using features such as whitelists and blacklists, online blacklist checking, and self-teaching Bayesian analysis. eMail2Pop is a third-party product, and is not endorsed, sponsered, or affiliated with America Online, Inc or Google, Inc.

WebMail Spy   
http://www.exploreanywhere.com

WebMail Spy offers three integrated e-mail recording tools in one easy to use package. WebMail Spy includes an advanced, foolproof and secure monitoring system. All e-mail sent via OutLook, OutLook Express, Eudora, Netscape (to name a few) will be recorded. On top of that, WebMail Spy will also record all Incoming AND Outgoing e-mail (POP3/SMTP e-mail's), ALL America Online e-mail's, and ALL web based e-mail - for services such as HotMail, Yahoo!Mail, mail2web, and many more. With WebMail Spy's advanced e-mail recording functionality, you can rest assured that ALL e-mail sent, received, and viewed will be recorded. Aside from WebMail Spy's powerful monitoring capabilities, WebMail Spy offers an advanced security backbone that prevents users from tampering with the software. WebMail Spy also contains powerful reporting and e-mail filtering options - allowing you to efficiently and effectively record, review, and analyze monitored e-mail's.

Mailbag Assistant   
http://www.fookes.com

If you're buried alive in e-mail, let Mailbag Assistant come to the rescue with turbocharged tools to search, organize, analyze and archive your mountain of messages -- tools that are inadequate or simply unavailable in conventional mail programs. Mailbag Assistant complements your mail program without interfering with it. It reads and processes your current and archived e-mails with ease, whether they are stored on your computer, on networked drives, or on removable media. The powerful search tools provide both easy-to-use wizards and advanced features like Boolean operators with multiple criteria. In addition to searching for exact matches in your e-mails, Mailbag Assistant lets you search for approximate and Soundex (sound-based) matches. These flexible tools make it simple to define, group and find relevant messages quickly and accurately. If you're not an experienced computer user, you'll enjoy the program's simple grid layout, which allows you to sort e-mails in many ways just by clicking column headings. You can also use Mailbag Assistant's E-mail Wizard and Quick-Match searches to track down messages quickly and easily. If you're a power user, you'll appreciate tools for creating message subsets, extracting addresses and attachments, and compiling traffic and word statistics. You can also take advantage of a full-featured scripting language to create custom operations and automate repetitive tasks like opening message folders, searching through correspondence, and archiving e-mails. Whether you're maintaining message folders with thousands of e-mails, or just want to save time hunting down a few old ones, Mailbag Assistant makes it much easier to perform searches, organize your e-mails efficiently, and archive them for rapid retrieval. Mailbag Assistant supports Outlook Express, Eudora, Mozilla, Thunderbird, Netscape, Pegasus, The Bat!, Forte Agent, Unix mail, Opera Mail, Calypso, Courier Mail, PocoMail, Barca, FoxMail, and EML message files.