markmnl · markmnl · Apr 11, 2026 · Apr 11, 2026 · Apr 11, 2026
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,5 @@
 .vscode/
 .claude/
 *.exe
-.env
+.env
+fmsgd
diff --git a/AGENTS.md b/AGENTS.md
@@ -9,8 +9,7 @@ All code MUST conform to the specification. When in doubt, re-read SPEC.md and f
 ## Key Rules
 
 - Serialize and parse wire fields in the exact order defined in SPEC.md.
-- Use the flag bit assignments from SPEC.md (bit 0 = has pid, bit 1 = has add to, bit 2 = common type, etc.).
-- Enforce recipient uniqueness across both to and add to (case-insensitive).
+- Use the flag bit assignments from SPEC.md (bit 0 = has pid, bit 1 = has add to, bit 2 = common type, etc.).im
 - Reject/accept response codes must match SPEC.md — do not invent new codes.
 - Resolve `_fmsg.<domain>` using A/AAAA records only (never TXT, MX, or SRV).
 - Validate sender IP before issuing CHALLENGE.

diff --git a/SPEC.md b/SPEC.md
diff --git a/TODO.md b/TODO.md