About this software
What is SMTP Preprocessor?
Enhances functionality of corporate mail server. Receives SMTP messages before it, on-the-fly changes or rejects them, and retransmits result to the server. Supports wide range of settings and keeps adjustable log.
Read the full SMTP Preprocessor review and feature list →
Requirements
System requirements
VB6 Runtime library, permanent Internet connection, SMTP server software
Tips
Download tips
If a mirror is slow or temporarily offline, just pick another from the list above — every mirror serves the identical
137 KBfile. Each link launches a brief
5-second redirect page so we can track which mirrors are healthiest.
✓
Verified clean. Every SMTP Preprocessor build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
SMTP Preprocessor specifications
- Last updated
- Mar 12, 2025
- License
- Freeware
- Operating system
- 9x/NT/2000/ME/XP/Windows 10/11
- File size
- 137 KB
- Filename
- psmtp104.exe
- Mirror count
- 1
- Price
- Free
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