1maddy source tree2------------------34Main maddy code base lives here. No packages are intended to be used in5third-party software hence API is not stable.67Subdirectories are organized as follows:8```9/10 auxiliary libraries11endpoint/12 modules - protocol listeners (e.g. SMTP server, etc)13target/14 modules - final delivery targets (including outbound delivery, such as15 target.smtp, remote)16auth/17 modules - authentication providers18check/19 modules - message checkers (module.Check)20modify/21 modules - message modifiers (module.Modifier)22storage/23 modules - local messages storage implementations (module.Storage)24```