!set tellme configures how you receive messages sent with !tell:
set tellme insecure When I see you.
set tellme secure [<!interval>] Hide body (reminding) until ident.
- set tellme refuse Do not accept messages.
+ set tellme reject Do not accept messages.
set tellme mailto <email-addr> By email. (Secure nicks only.)
Default: `secure 600'. For insecure nicks `secure' == `insecure'.
To set when to consider messages delivered (see `help !untell'):