Variables - In the message you can also use some variables. Here are the "variables" you can use:
{$board_url} - The URL to your forum.
{$current_time} - The current time.
{$member.email} - The current member's email.
{$member.link} - The current member's link.
{$member.id} - The current member's id.
{$member.name} - The current member's name. (for personalization.)
{$latest_member.link} - The most recently registered member's link.
{$latest_member.id} - The most recently registered member's id.
{$latest_member.name} - The most recently registered member's name.