Hi,

  In mail "debugging smtp sessions"
  "Pe, Botp" <botp / delmonte-phil.com> wrote:

> i'm doing full logging/debugging of smtp sessions using
> "smtp#set_debug_output".
> 
> however, the net/smtp doc says: "WARNING: This method causes serious
> security holes. Use this method for only debugging. "
> 
> How can i do full logging in _safe way.

Plain SMTP does not authenticate user, using set_debug_output
is not danger.  But if your code support SMTP authentication,
user/password sanitizing is required.

Best Regards,
Minero Aoki