I use php mail function for sending emails.

If I send test mail it comes perfect.

But, when I checked the newsletter in my i-phone, the email comes wtih only image as csimg0.jpg

For example,even I used URL link in a newsletter " [url=“”][/url]" , it only shows as csimg0.jpg

So I am afraid that my customers who used moblie internet [ i-phone, i-pad, etc.] might receive wired newsletter all the time.

Anybody knows what's going on?

Thank you,