Gizmo, I have changed the mailer.php not to use all caps.
Tried to find the industry proof source that you asked for and couldn't find it now only a text I had saved in a text file.
I will monitor my rejections in the future.
Thanks anyway.
The mails may be detected as spam due to its spam contents. Each email is evaluated and rated according to spam rules to determine how likely they are to be actual spam. The mail servers will evaluate both the title and body content of the message to ensure there are few, if any, references to popular spamming terms.
Please make sure that the below points are followed:
> Don't use the word "free" too many times.
> Don't use ALL CAPS.
> Don't use lots of colored fonts.
> Only use one exclamation point at a time!
> Stay away from words you'd see in spam: Viagra, drugs, porn, guaranteed winner.
