postprox 0.2.0 reviewDownload
postprox is an SMTP proxy which copies an SMTP conversation between its input and another SMTP server, but spools the DATA portion to
postprox is an SMTP proxy which copies an SMTP conversation between its input and another SMTP server, but spools the DATA portion to a temporary file and runs a specified program on it before passing it on to the output server - or outputting an SMTP error code instead if the content filter says so.
postprox is design to do only one job: proxy SMTP conversations and pass message contents to another program to determine whether to accept or reject the message.
With this in mind, postprox is small and has a minimal feature set; its reduced complexity reduces the risk of bugs and security holes.
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What's New in This Release:
added $OUTFILE so filtering scripts can modify the email in transit
use putenv() instead of setenv() for better portability
capture IP address, HELO, sender/recipient for logging
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