+:tell
+tell <nick> <message ...>
+ Leaves a message for someone, which will be delivered according to
+ their `set !tellme' setting, or failing that your `set !tellbounce'.
+
+:tellbounce
+!set tellbounce after <!interval> (Default: 80h.)
+ If undelivered longer than that, I will:
+!set tellbounce discard Just throw it away. (Default.)
+!set tellbounce tellme <interval> Try a bounce `tell' that long.
+!set tellbounce mailto <email-addr> Email you. (Secure nicks only.)
+
+:tellme
+!set tellme configures how you receive messages sent with !tell:
+ set tellme insecure When I see you. (Default.)
+ set tellme secure Hide body until secure ident.
+ set tellme refuse Do not accept messages.
+ set tellme mailto <email-addr> By email. (Secure nicks only.)
+and also when to consider them delivered:
+ set tellme unreliable Tell you once, then forget.
+ set tellme pester <interval> Remind until you say !delmsg.
+ set tellme reliable <interval> Like pester, but identify req'd.
+ set tellme remind <every-!interval> [<within-interval>]
+ Remind until you talk on channel within <within-interval>
+ of me having told you. (Default is remind 1h 30s.)
+
+:delmsg
+delmsg [<nick> ...]
+Forgets about messages I've told you about: either all of them, or
+only those from certain nicks. Necessary if you !set !tellme pester
+or reliable, and also works with remind, but not with unreliable.
+