src/transports/smtp.c: log LMTP confirmation same as SMTP

1 files changed, 5 insertions, 1 deletions

diff --git a/src/src/transports/smtp.c b/src/src/transports/smtp.c
index fb55ae01b..e06631f2f 100644
--- a/src/src/transports/smtp.c
+++ b/src/src/transports/smtp.c
@@ -1715,7 +1715,11 @@ if (!ok) ok = TRUE; else
           continue;
           }
         completed_address = TRUE;   /* NOW we can set this flag */
-        conf = string_sprintf("LMTP Successful delivery:%s", string_printing(buffer));
+        if ((log_extra_selector & LX_smtp_confirmation) != 0)
+          {
+          uschar *s = string_printing(buffer);
+          conf = (s == buffer)? (uschar *)string_copy(s) : s;
+          }
         }
 
       /* SMTP, or success return from LMTP for this address. Pass back the