Sergey Merzlikin » SMTP Preprocessor
WAN & LAN > SMTP Servers

SMTP Preprocessor 1.10

Free SMTP Preprocessor screenshot fileWorks with Windows Vista
SMTP Preprocessor is advanced tool for mail administrators. It enhances functionality of corporate mail server. The program receives SMTP messages before corporate SMTP server, on-the-fly changes or rejects them, and retransmits result to the server. Wide range of settings allows to improve security and add new features to corporate SMTP server. SMTP Preprocessor can reject connection based on remote host IP address or DNS name (Black List), presence of reverse DNS PTR record, validity of HELO or EHLO command and connections limit; reject MAIL command based on sender address (Black List), transactions limit and message size; reject RCPT command based on recipient address (Private Recipients List), recipient domain name (Anti-Relaying), sender address (Restricted Senders List), recipients limit or based on Greylisting technology; reject out-of-order SMTP command; delay its response (Tarpitting technology); flexibly replace corporate SMTP server response or any SMTP Preprocessor generated response; replace sender in SMTP envelope (MAIL command); replace recipient in SMTP envelope (RCPT command). The program keeps adjustable detailed log of all SMTP events.
Type : Freeware » EULA
OS Support : Windows All + Vista
Date stamp / Size : Dec, 3. 2006 / 223 kBytes
Asked : VB6 Runtime library, permanent Internet connection, SMTP server software
Users' value : - Write a Review
Download SMTP Preprocessor fileNo active image buttonImage of SMTP Preprocessor
Update history of SMTP Preprocessor
v1.10 (September, 22. 2009)
Fixed some bugs, added tarpitting support
v1.09 (October, 14. 2007)
Added AUTH whitelisting, fixed some bugs
v1.07 (May, 22. 2007)
Fixed some bugs
Distribution permissions for SMTP Preprocessor
SMTP Preprocessor may be freely distributed provided the
distribution package is not modified. No person or company may charge a fee
for the distribution of this software without written permission from the
copyright holder.
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