IPCheck Server Monitor   
http://www.paessler.com

IPCheck Server Monitor 5 helps organizations monitor critical network resources and immediately detect system failures or performance problems. It offers reliable network and website monitoring using Paessler's IPCheck™ Technology, fast and easy installation, support for Windows NT/2000/XP/2003 and an intuitive web based user interface. Various sensor types including PING, PORT, HTTP, HTTPS, Advanced HTTP, HTTP Transaction, DNS, SMTP, POP3, SNMP and custom sensors are supported for in depth monitoring of almost any network device. Notifications can be triggered by uptimes, downtimes or slow responses and can be sent out by email and ICQ, via SMS and to pagers. Detailed uptime/downtime reports and graphs can be created online at any time. The Freeware Edition monitors up to three sensors and is limited to PING, PORT and HTTP sensors and can be upgraded to the full feature set by requesting a Free 30 Day Trial License or by purchasing a Full License.

POP3 preview LITE   
http://www.pool-magic.net

Check of messages on the POP3 server with ability to delete message from the server, without urgency to download it. Next, you can safely download attachments so it doesn't try to run any from them. It is possible to apply simple Spam filter.

netMailshar   
http://www.pppinfotech.com

netMailshar is an easy-to-maintain, fully featured mail server that provides email capability to every computer in a network with just one Internet connection. netMailshar saves you money by removing the need for getting a separate Internet account, phoneline and modem for each user who wants to access email in your network. It works with any type of Internet connection be it Dialup, ISDN, ADSL, Cable modem, or satellite connection. It also works on a local area network with no Internet connection. It is very easy to install, configure and use. netMailshar provides centralized, generic protection against all email viruses without having to update your virus scanners. Other features include scheduled mail sending and receiving, autodial and disconnection, support for multiple domains and unlimited pop3 accounts, direct smtp connections, autoresponders, email forwarding, email archiving, monitoring, filtering and much more. It can provide adequate security and monitor or regulate proper use of email in your organization. Thus it is a great tool for companies for regulating email usage and improving productivity. netMailshar has all the features to fulfill the Internet and internal email needs of a small home office, small business or an enterprise.

RevilloC MailServer   
http://www.revilloc.com

Send and collect all the emails for your home or office network, whilst saving dial up time. The mail server now contains a web proxy server, so you can now view internet web pages from your networked machines. The mailserver is designed to collect all your emails in one dial up connection. This will save your on-line time and telephone charges for not having each individual email client on your network collecting their own email. You can now collect all emails from multiple POP servers. The mail server will work as a standalone server on a shared PC or as a network mailserver. Now there is no longer a need for each user to dial up to collect their email. This mail server is a fully featured SMTP and POP3 server with unlimited connections or accounts, with ease of use being a priority. It has a scheduled send and receive, with a program override to allow outgoing email to be sent immediately and manual override from the mailbox tray icon.

POP3 Wizard ActiveX   
http://www.seekfordsolutions.com

POP3 Wizard +SSL allows you to be able to access a POP3 server and download messages with minimal knowledge of how POP3 works and very little code. There are many features for simplifying tasks of accessing an POP3 server. You get complete control over the mailbox account. POP3 Wizard +SSL allows you to: Be used in a scriptable language such as VBScript Get Drop Listings Find out how many messages are there without downloading anything Use Secure Password Authentication for logins Get Scan listings Get Full messages or just the headers Get the Unique Identifiers for messages Delete messages Use every command that POP3 protocol supports. Secure Socket Layer(SSL) Channel Encryption Supported Plus added features for parsing headers of messages. HTML, PlainText Body parsing Save attachments and messages to disk NEW - Support for SOCKSv4 and SOCKSv5,aka SOCKS4 and SOCKS5, FireWall proxies. The Post Office Protocol v3 Wizard allows for a great deal of control over your messages. You can download messages and quickly access the key features of them you want, like grabbing those file attachments. This component makes it easy for you write a program that incorporates watching a mail drop for specific information, receive sent files and data, and much more. This control works with any ActiveX container and even works in ActiveX scriptable languages such as VBScript.