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-rw-r--r--mbbsd/mail.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mbbsd/mail.c b/mbbsd/mail.c
index f51023eb..be473814 100644
--- a/mbbsd/mail.c
+++ b/mbbsd/mail.c
@@ -145,7 +145,7 @@ invalidaddr(const char *addr)
while (*addr) {
#ifdef DEBUG_FWDADDRERR
- if (not_alnum(*addr) && !strchr("[].@-_", *addr))
+ if (not_alnum(*addr) && !strchr("[].@-_+", *addr))
{
int c = (*addr) & 0xff;
clear();