Re: If only they'd hired a script kiddie
> Is it difficult or something to have Outlook say "this email has more addressees than your default allows. Are you really sure you want to send it?"
In 2013 it is the default (a warning certainly appears with a mailing list with 21 entries, so the limit is below that).
Equally in Exchange you can apply an ACL to mailing lists, so only selected users can send to the bigger lists (been true since at least Exchange 2003).