I fixed this issue, created this patch:
mail# cat patch-imap::global.c
--- imap/global.c.orig 2009-07-08 13:41:29.000000000 -0400
+++ imap/global.c 2009-07-08 13:41:36.000000000 -0400
@@ -391,7 +391,8 @@
!(config_defdomain &&
!strcasecmp(config_defdomain, domain+1))) {
/* append the domain from our IP */
snprintf(buf, sizeof(buf), "%s@%s", user, domain+1);
- user = buf;
+// Added by Josh to prevent appending DNS domain on unqualified user IDs.
+// user = buf;
if (domain_from_ip) *domain_from_ip = 1;
}
This effectively prevents Cyrus from appending the domain name from
DNS on to the user ID if the ID is unqualified. I tested it and it
works for me, other virtual domain accounts (user@domain) are
unaffected.
Josh
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