When i send a mail to all my members like this in the text field:
Hi,
New paid mail:
http://www.blblblb.com
Bye

The when i check the mail in my mailbox it looks like this:

Hi,

New paid mail:

http://www/blblblbl.com

Bye

Does anubody has a solution for this it isnt nice like that.

I have an idea what your problem is but I'd have to look at your scripts to be sure... Email me (not PM) if you want me to take a look.