Relay

SMSC Relay ActiveX SDK library is a ActiveX library for SMS/EMS communication with the SMSC through TCP/IP. Protocols SEMA, CIMD2, UCP and SMPP. Send and receive SMS, EMS, logos, ring-tones, 7-bit text, 8-bit binary data and Unicode (UCS2) messages.

WorldCast is a free two-in-one tool: A free bulk email software and also an e-mail address validator. It detects many of the common invalid addresses that exists on almost any emailing list, reporting bad email addresses, time-out operations, etc.

Sticky notes desktop shareware organizer with rich text, reminders, schedules, instant messaging and other PIM tools to boost business productivity, save time and money. Easy to install and use, very reliable. Free trial download. Affiliate program

MailEnable Standard provides robust SMTP and POP3 services for Windows NT/2000/XP/2003 systems. Simple installation procedure and powerful administration tools means that you will be up and running quickly. FREE for personal and commercial use.

MERCUR is a full featured Mailserver for MS Windows platforms. It offers necessary features to provide an efficient communications medium. This includes several Security features and anti-spamming options to protect the system against intruders.