Setting up the DMARC filter in Spamassassin
DMARC (Domain-based Message Authentication, Reporting and Conformance) is an email authentication protocol. It is designed to give email domain owners the ability to protect their domain from unauthorized use, commonly known as email spoofing. The purpose and primary outcome of implementing...
SQL valias with sieve solution for qmail. New features and Roundcube plugin
Changelog Mar 29 , 2025 (vpopmail v5.6.8)- defaultdelivery feature (--enable-defaultdelivery) changes:* vdelivermail is installed by default in .qmail-default of newly created domains with option 'delete' as in the previous version.* if no user's valiases and no .qmail are found, then the message...
Configuring the Sender Rewriting Scheme (SRS) on qmail
open-spf.org libsrs2 site Marcelo Coelho's patch for qmail SPF "breaks" email forwarding. SRS is a way to fix it. SRS is a simple way for forwarding MTAs to rewrite the sender address. If you followed the 'quick configuration' based on the config-all script, the SRS...
Configuring Sender Policy Framework (SPF) on qmail
The Sender Policy Framework (SPF) is an open standard specifying a technical method to prevent sender address forgery. More precisely, the current version of SPF — called SPFv1 or SPF Classic — protects the envelope sender address, which is used for...
