Who is using my account to send out spam?

The spam is a link to their web site and may be related to junkmail I have recieved. My address book was used to send this link to several of my contacts including my father and ex boss. I have delete the junkmail but how do I prevent this from happening...

Hi, someone is sending spam mail to my contact list. i get delivery fail for those with changed adress. how do I stop this? thank you

I tried to change the password, but the mailings continue. Thank you.

Someone is using my Gmail account to send out spam. The only way I know about it is because I get dozens of emails daily saying that an email i sent could not reach its destination - yet I never sent these emails. I also receive emails that I supposedly...

my email sends out spam mails. friends complained so idecieded to open a new account. But the old account is still sending out mails. I can't change the pssword because i can't even remeber it. This is because i have been using my pc alone so i entered...

When I signed up.. they said we just sent a comfirmation message to your email address and to activate your account, open the verification e-mail, click the confirmation link and sign in to aimini.net. Your account will then be activated.... but they...