Memoserv:

MemoServ is a utility allowing IRC users to send short messages to other IRC users,
whether they are online at the time or not, or to channels. A notice will be sent to the
recepient telling them that they have a new memo. Both senders nickname and target
nickname or channel must have their nicknames registered with NickServ in order to
send a memo.


MemoServ's commands include:

SEND:
/msg MemoServ SEND {nick / channel} {message}
Sends the named nick a memo containing memo-text.
The recipient will receive a notice that he/she has a new memo.

LIST:
/msg MemoServ LIST
Lists any memos you currently have.

/msg memoserv list #channel {NEW}
Lists any channel memos you have, With NEW, lists only new (unread) messages.
Unread messages are marked with a “*” to the left of the memo number.

READ:
/msg MemoServ READ {channel if desired} {number / LAST}
Lets you access and read a memo. You can select a particular numbered memo to
read, or select the LAST memo.

DEL:
/msg MemoServ DEL {number} or {all}
/msg MemoServ DEL {channel} {num / ALL}
Deletes one memo, if a number is given; deletes all memos if you use the parameter all.

SET
/msg memoserv SET option parameter
Allows you to set various memo options. Options include:

NOTIFY Changes when you will be notified about new memos (nicks only)
/msg memoserv set notify { on / logon / new / off }
ON notifies you of memos when you log on, unset /away
LOGON notifies you only when you log on
NEW notifies you only when they are sent to you
OFF -- you receive no notification
LIMIT Sets the maximum number of memos you can receive
/msg memoserv set limit {limit / none}
Sets the number of memos a user of channel is allowed to have.
Setting the limit to 0 prevents the you from receiving any memos;
Setting it to NONE allows you to receive and keep as many memos
As you want.