diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/src/routers/dnslookup.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/src/routers/dnslookup.c b/src/src/routers/dnslookup.c index 50c767839..aced23747 100644 --- a/src/src/routers/dnslookup.c +++ b/src/src/routers/dnslookup.c @@ -1,4 +1,4 @@ -/* $Cambridge: exim/src/src/routers/dnslookup.c,v 1.5 2005/09/12 15:09:55 ph10 Exp $ */ +/* $Cambridge: exim/src/src/routers/dnslookup.c,v 1.6 2005/09/15 16:02:07 fanf2 Exp $ */ /************************************************* * Exim - an Internet mail transport agent * @@ -185,11 +185,14 @@ worked out immediately before they are used. Sender addresses are routed for verification purposes, but never at transport time, so any header changes that you might expect as a result of sender domain widening do not occur. Therefore we do not perform widening when verifying sender addresses; however, widening -sender addresses is OK if we do not have to rewrite the headers. The -suppression of widening for sender addresses is silent because it is the normal -desirable behaviour. */ - -if (ob->widen_domains != NULL && (verify != v_sender || !ob->rewrite_headers)) +sender addresses is OK if we do not have to rewrite the headers. A corollary +of this is that if the current address is not the original address, then it +does not appear in the message header so it is also OK to widen. The +suppression of widening for sender addresses is silent because it is the +normal desirable behaviour. */ + +if (ob->widen_domains != NULL && + (verify != v_sender || !ob->rewrite_headers || addr->parent != NULL)) { listptr = ob->widen_domains; widen = string_nextinlist(&listptr, &widen_sep, widen_buffer, |