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Special Forums UNIX and Linux Applications SMTP traffic filter on FreeBSD 7.0 gateway Post 302286038 by matagou on Tuesday 10th of February 2009 07:19:06 AM
Old 02-10-2009
SMTP traffic filter on FreeBSD 7.0 gateway

Hello,

I have a question about ways to filter smtp traffic that passes from LAN through FreeBSD 7.0 machine (configured with NAT and gateway="yes" in /etc/rc.conf) to the Internet.

I've installed both SpamAssassin and ClamAv, and now need the software that would listen to port 25 on private IP address. I think it would be something like Squid Web proxy

I have read about smtp-gated, assp, but i think that this software is for use with configured mail server and not for my purpose

Thanks in advance
 

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Mail::SendEasy::SMTP(3pm)				User Contributed Perl Documentation				 Mail::SendEasy::SMTP(3pm)

NAME
Mail::SendEasy::SMTP - Handles the communication with the SMTP server without dependencies. DESCRIPTION
This module will handle the communication with the SMTP server. It hasn't dependencies and supports authentication. USAGE
use Mail::SendEasy ; $smtp = Mail::SendEasy::SMTP->new( 'domain.foo' , 25 , 120 ) ; if ( !$smtp->auth ) { warn($smtp->last_response_line) ;} if ( $smtp->MAIL("FROM:<$mail{from}>") !~ /^2/ ) { warn($smtp->last_response_line) ;} if ( $smtp->RCPT("TO:<$to>") !~ /^2/ ) { warn($smtp->last_response_line) ;} if ( $smtp->RCPT("TO:<$to>") !~ /^2/ ) { warn($smtp->last_response_line) ;} if ( $smtp->DATA =~ /^3/ ) { $smtp->print("To: foo@foo") ; $smtp->print("Subject: test") ; $smtp->print(" ") ; $smtp->print("This is a sample MSG!") ; if ( $smtp->DATAEND !~ /^2/ ) { warn($smtp->last_response_line) ;} } $smtp->close ; METHODS
new ($host , $port , $timeout , $user , $pass) Create the SMTP object and connects to the server. connect Connect to the server. auth_types The authentication types supported by the SMTP server. auth($user , $pass) Does the authentication. print (data) Send data to the socket connection. cmd (CMD , @MORE) Send a command to the server. response Returns the code response. If wantarray returns an ARRAY with the response lines. last_response Returns an ARRAY with the response lines. last_response_msg The last response text. last_response_line The last response line (code and text). close QUIT and close the connection. AUTHOR
Graciliano M. P. <gm@virtuasites.com.br> COPYRIGHT
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.12.4 2004-04-09 Mail::SendEasy::SMTP(3pm)
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