smtp.proxy Feature List

smtp.proxy is an application level gateway for SMTP. Beside its basic proxy function it comes with some additional features which are listed here in alphabetical order and gives a brief description of what it is and how it works.

1. Virus Scanning

smtp.proxy can scan all mails for viruses using clamav as scan engine.

1.1 Location of clamd server
1.2 Virus quarantine
1.3 Configuring virus scanning
1.4 Scan result options

2. Spam Filter

smtp.proxy can make use of spamassassin SPAM filtering and mail tagging. Optionally mails that have a certain spam level can be put into a quarantine folder.

2.1 Configure spamassassin program
2.2 Spam handling
2.3 Enable spam scanning

3. Mail Quarantining

3.1 Quarantine directory options
3.2 Directory for temporary files

4. DNS Blacklisting

smtp.proxy may query DNS servers for blacklisting clients and rejecting e-mails based on the result.

4.1 RBL server configuration
4.2 RBL modes
4.3 RBL server-test mode

5. Miscellaneous Features

5.1 CPU load monitoring
5.2 Session status files
5.3 POP3 before SMTP
5.4 Received path dropping
5.5 smtp.proxy pid file