chore: sync mailcore v0.1.0-beta.1

mailcore/src/lib.rs

@@ -0,0 +1,13 @@
+#![allow(unexpected_cfgs)]
+pub mod api;
+pub mod dns;
+pub mod imap;
+pub mod mime;
+pub mod secrets;
+pub mod smtp;
+pub mod storage;
+pub mod types;
+
+// Re-export specific items if needed
+pub use types::MailServerConfig;
+pub mod session_manager;