X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/5056f6873ad9709279cdf8c5c8e1258e7a21f1e7..3d040d098384c48be39e47862d55cac1bc0c578c:/src/src/auths/dovecot.c?ds=sidebyside

diff --git a/src/src/auths/dovecot.c b/src/src/auths/dovecot.c
index 3331cb856..ca3d1bd1c 100644
--- a/src/src/auths/dovecot.c
+++ b/src/src/auths/dovecot.c
@@ -275,11 +275,20 @@ if (cctx.sock < 0)
 # ifndef DISABLE_TLS
 if (ob->server_tls)
   {
-  uschar * s;
+  union sockaddr_46 interface_sock;
+  EXIM_SOCKLEN_T size = sizeof(interface_sock);
   smtp_connect_args conn_args = { .host = &host };
-  tls_support tls_dummy = {.sni=NULL};
+  tls_support tls_dummy = { .sni = NULL };
   uschar * errstr;
 
+  if (getsockname(cctx->sock, (struct sockaddr *) &interface_sock, &size) == 0)
+    conn_args.sending_ip_address = host_ntoa(-1, &interface_sock, NULL, NULL);
+  else
+    {
+    *errmsg = string_sprintf("getsockname failed: %s", strerror(errno));
+    goto bad;
+    }
+
   if (!tls_client_start(&cctx, &conn_args, NULL, &tls_dummy, &errstr))
     {
     auth_defer_msg = string_sprintf("TLS connect failed: %s", errstr);