and where it has come from. Otherwise, during message delivery, the normal
logging for the address will be sufficient. */
- if (message_id[0] == 0)
+ if (!message_id[0])
if (sender_fullhost)
log_write(0, LOG_MAIN, "%s: %s (while verifying <%s> from host %s)",
msg, addr->domain, addr->address, sender_fullhost);