I discovered a solution to this.  NEVER schedule an email blast to be sent immediately.  Always indicate the message is to be sent 5 minutes after you initiate the send.  That gives you some time to stop the email message from being sent out.  This will at least give you a chance to stop the mailing--assuming that Murphy's Law of Email Blasts takes effect.   Murphy's Law of Email Blasts:  A mistake in an email message will be detected or realized exactly 1 second after clicking on SEND. ... View more

I forgot to change something (because of the new format and interface) and sent something. Then I tried to stop it. With the previous interface, I think I recall something that allowed one to do that. This is really needed, please. ... View more