Checklist for good email delivery in php

Question

I have a PHP application that sends emails using the pear Mail function. Unfortunately, all my emails are in the spam folder.

Can I get a checklist for the things I have to do to make sure my letters are received correctly.

thanks

Answer 1

MailChimp has some good articles on effective email marketing campaigns.

Answer 2

I wrote down a few points in an earlier question .