# Mail::Exim::ACL::Geolocation A Perl module for the [Exim](https://www.exim.org/) mailer that maps IP addresses to two-letter country codes such as "DE", "FR" and "US". SpamAssassin can use these country codes to filter junk email. acl_check_rcpt: warn domains = +local_domains : +relay_to_domains set acl_m_country_code = ${perl{country_code}{$sender_host_address}} add_header = X-Sender-Host-Country: $acl_m_country_code ## DEPENDENCIES Requires the Perl module IP::Geolocation::MMDB from CPAN and the modules Exporter and List::Util, which are distributed with Perl. Requires an IP to country database in the MaxMind DB file format from [MaxMind](https://www.maxmind.com) or [DP-IP.com](https://db-ip.com/). The module searches the directories "/var/lib/GeoIP", "/usr/local/share/GeoIP", "/usr/share/GeoIP" and "/opt/share/GeoIP" for one of the following database files: * GeoIP2-Country.mmdb * GeoIP2-City.mmdb * dbip-country.mmdb * dbip-city.mmdb * dbip-location.mmdb * GeoLite2-Country.mmdb * GeoLite2-City.mmdb * dbip-country-lite.mmdb * dbip-city-lite.mmdb ## INSTALLATION Run the following commands to install the software: perl Makefile.PL make make test make install Type the following command to see the module usage information: perldoc Mail::Exim::ACL::Geolocation ## LICENSE AND COPYRIGHT Copyright (C) 2022 Andreas Vögele This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.