From 663c6be564efdb355598b34b8f083f79a38c726d Mon Sep 17 00:00:00 2001
From: Manuel Mausz <manuel@mausz.at>
Date: Fri, 26 Jun 2026 13:53:30 +0200
Subject: Implement plus addressing for locals

---
 qmail-send.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'qmail-send.c')

diff --git a/qmail-send.c b/qmail-send.c
index caa5b39..168d190 100644
--- a/qmail-send.c
+++ b/qmail-send.c
@@ -147,6 +147,13 @@ char *recip;
   at = byte_rchr(addr.s,addr.len,'@');
 
   if (constmap(&maplocals,addr.s + at + 1,addr.len - at - 1)) {
+    /* sub-addressing for local domains */
+    for (i = 1; i < at - 1; ++i) {
+      if (addr.s[i] == '+') {
+        addr.s[i] = '-';
+        break;
+      }
+    }
     if (!stralloc_cat(&rwline,&addr)) return 0;
     if (!stralloc_0(&rwline)) return 0;
     return 1;
-- 
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