bello network monitoring offers reliable network and website monitoring, web or windows user interface. Sensor types include PING, PORT, HTTP, HTTPS, Advanced HTTP (e.g. for content checks), HTTP Transaction, DNS, SMTP, POP3, SNMP, FTP and more.

Didyma is a network documentation and monitoring tool. It contains a graphical interface to design and document your computer networks. The monitoring function is based upon ICMP (ping), TCP ports, SNMP objects, URL and SMTP testing.

Free SMTP Server is a local SMTP server program for Windows

With the problems of SPAM, most ISPs now block SMTP relay, that is, the ability to send email from anywhere back through your server to wherever you want. SMTP Spotter solves that by finding a local valid SMTP server that will allow you to send mail

An advanced network monitoring solution which monitors network up/downtime, traffic and usage. Features include: SNMP, WMI, Packet Sniffing, NetFlow, VMWare, Email-Monitoring, instant network failure alerts, in-depth analysis and reporting and more.

MailBee SMTP Component allows your applications or ASP web pages to create and send email messages over SMTP protocol just in a few lines of code.

IPCheck Mobile GUI offers reliable network and website monitoring through your PocketPC. Sensor types include PING, PORT, HTTP, HTTPS, Advanced HTTP, HTTP Transaction, DNS, SMTP, POP3, SNMP and custom.

SMTP server program to send email messages without help of your ISP, directly from your local PC to recipient mailboxes and use your favorite email client along with this software the way you used to do it before.