Absolutely not. Sending out unsolicited e-mail from your account is a direct violation of our Acceptable Uses Policy. Please read our section regarding the Anti-Spam Policy. This includes sending unsolicited e-mail using another SMTP server referencing any websites hosted us.
We have a "zero-tolerance" for violations of this policy. Failure to abide by this policy by anyone using your mail server will result in termination of your account without eligibility for a refund.