Pretermit is an unlikely verb. From Latin "praeter" (beyond) and "mittere" (to send), it means to let go without mention, of course, or to leave undone.
In Gmail offline, you can pretermit in yet a special fashion: leave undone an email's delivery even beyond the point when you clicked Send.
›› "Send" an email and then take it back again? In Gmail, you can — if you get into this habit.

Dianthus flowers are known as sweet william, coronation flowers and — pink. Dianthus flowers were known as pink before the color got its name — from them.
For Valentine's Day, let's send another pink flower, though, arranged to form a lovely symbol:
›› Big feelings and big Valentine's Day greetings deserve a big, pink heart. (IncrediMail)

Lookeen, the Outlook search add-on that goes down like butter, now finds statistics about your email usage in addition to every email, appointment and document. Also new in 3.0: a preview pane right in Lookeen that highlights search terms and knows many an attachment format; an easy way to bookmark searches and re-visit them with keyboard shortcuts; and automatic detection of new email accounts and Outlook archives:
›› Lookeen finds everything fast in Outlook -- no matter the account, folder, PST file or type (from email to meeting to attachment). (Windows)

Your fists clench, thirsting for something to cuff.
Your mouth opens, wide for... "WAAAA!"
Okay. Take a minute. Consult your heart.
Breathing in through the heart and out through the solar plexus, grab a happy thought and ask your heart: "What can I do now to take good care of myself?"
If nothing else, these suggestions from the HeartMath Freeze-Framing technique will give you a time-out, make you concentrate on breathing and dwell on happiness to boot.
Now, if your beef is with Yahoo! Mail, also consult official support:
›› You have a found a bug in Yahoo! Mail or an issue to report? Here's how and where to contact Yahoo! Mail support to get help from the source.