don't add multiple users to the TO: line. Instead, use the BCC: line when sending to several users.
don't forward email which has multiple recipients - - you are giving email addresses away
never show your email in any online blog
Use ONE email address for your close friends, bank accounts and
ANOTHER for online sites like TS.
Learn to setup email filters to deposit email from known sources into specific folders. This will leave UNKNOWN emails in the inbox.
You can then select-delete lots of them easily.
I use a filter to move email targeted to xxx@adelphia.netdirectly to a _junk folder and mark them as junk. WHY? it's an email address from 5 years ago and I no longer in use it and therefore it is spam.
Also filters like from contains @spammers.com go directly to trash.