Use DKIM, domainkeys, a perfect emailer like pearmail or swiftmailer, control the rate limit, use proper SPF, fill bulk mailer forms with all major ISPs. Get FBL subscription from all ISP's except Gmail, and very strictly remove them from your list.
On Tue, Aug 9, 2011 at 7:02 PM, 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**** > -- Thanks & Regards, Kranti Kiran Patnaik Please do not print this email unless it is absolutely necessary. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email.
