Check with your ISP, make sure spf and domain keys are up to date, and install a mailing list manager like Mailman.
-Dennis Carr -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. Amira Othman <a.oth...@cairosource.com> wrote: Hi all I want to send mails to all users I have in my database and I am using postfix-2.3.3-2.3.el5_6. I am afraid that ISPs consider me spammer and add me to black list.Any one can suggest to me where to start to send mass mails and how to be protected from being considered spammer at ISP Regards
