Choose a server below to download: SMTP Preprocessor v1.04 (137 KB)
SMTP Preprocessor is advanced tool for mail administrators. It receives SMTP messages before corporate SMTP server, changes or rejects them on-the-fly, and retransmits result to the server.
Note:
If you experience problems downloading, please download the file without using your download manager and check your firewall settings. Firewalls and download managers usually block HTTP referrers, which are required by some download mirrors.
