E-mail marketing systems - for fun and profit
Reading material
Reading material
Sender reputation in large webmail service by Bradley Taylor
Troubleshooting pages of Gmail, Yahoo, Hotmail
ReturnPath resources
Reputation
Reputation
Register/Report your IP
Register/Report your IP
Microsoft - Delivery Issue Submission, Junk mail reporting partner program
Yahoo
Bulk Email Senders Guidelines
Bulk Email Senders Guidelines