Mail::Qmail::Filter and its submodules are designed to help you filter incoming e-mails when using qmail <http://netqmail.org/> as MTA. You should use it like so: 1. Write a frontend script to configure your filters, like the one in the "SYNOPSIS". 2...

This class allows for the specification of a set of restrictions placed on the "Mail::Abuse::Incidents" that are considered interesting. Anything not interesting will be removed from a report. The following functions are provided for the customizatio...

This class is the abstract base class of email filters. It implements the main functionality every email filter should have, such as recursive filtering on multipart MIME-message. You create a new filter by deriving a subclass from Mail::IspMailGate:...

Removes those events from a "Mail::Abuse::Report" whose origin does not match the rules enforced by this module. The actual rules must be specified in the configuration file for the abuse report. The following configuration keys are recognized: sourc...

Removes those events from a "Mail::Abuse::Report" that are older than a given threshold, which can be specified in the configuration file for the abuse report. The following configuration keys are recognized: filter before Incidents older than the sp...

This Mail::Qmail::Filter plugin writes the message to a file (for debugging purposes)....

This module is not a filter itself, but provides utility functions for other filters, possibly your own....

This Mail::Qmail::Filter plugin verifies if the incoming e-mail message conforms to the DMARC policy of its sender domain: 1. The plugin is skipped if imported with feature ":skip_for_relayclient" and the message comes from a relay client. 2. We chec...

This Mail::Qmail::Filter plugin passes the message on to "qmail-queue". This is usually the last plugin you should use in your filter chain. If you do not use it, the message will be discarded. You can use it several times to copy the message. (I'm n...

This Mail::Qmail::Filter plugin tries to find the appropriate ".qmail" file for all recipients and pipes the message to any command lines listed in those files. That is, it tries to deliver the message itself, circumventing "qmail-local". The usual r...

This class implements an encrypting and decrypting filter based on PGP. It is derived from the abstract base class Mail::IspMailGate::Filter. For details of an abstract filter see Mail::IspMailGate::Filter. The PGP module is based on the MIME::Decode...

This class is the Packer (compressing emails) derived from Mail::IspMailGate::Filter (refer to the manpage). You can specify the attribute 'direction' with the constructor, so you can force to act only in one direction: 'pos' only compressing and 'ne...

This Mail::Qmail::Filter plugin rejects the message if it does not contain one of the explicitely "allowed_addresses" in its "From" header line....

This Mail::Qmail::Filter plugin rewrites the "From" header line. If the message has no "Reply-To" yet, the former contents of the "From" header line will be set as "Reply-To"....

This Mail::Qmail::Filter plugin logs the following items: RELAYCLIENT only if the environmental variable "RELAYCLIENT" is set: information about "TCPREMOTEHOST" and "TCPREMOTEIP" RFC5232.MailFrom the envelope sender to the recipients of the message...

This Mail::Qmail::Filter plugin checks if the incoming e-mail message is probably spam....

This Mail::Qmail::Filter plugin checks if the "From" header line of the message contains a valid e-mail address (as far as Email::Valid can tell)....

This class implements a Virus scanning email filter. It is derived from the abstract base class Mail::IspMailGate::Filter. For details of an abstract filter see Mail::IspMailGate::Filter. The virus scanner class needs an external binary which has the...

This Mail::Qmail::Filter plugin exchanges the RFC5321.MailFrom aka the envelope sender....