On Mon Nov 14 12:16:01 2016, Auto Protection Info wrote:
> You explained it all Rich, thanks. I'm not using it for spam, the idea was
> to make it easier for me to contact all my students at a time, so I think
> this is not considered as spamming, but anyway, I'll check for Amazon
> service see if it can do the job correctly and easily.

The problem is not you, the problem is everybody that uses this relay.
The reputation id made on IP or ranges, not on a particular sender.
eg. https://www.senderbase.org/lookup/?searchBy=ipaddress&searchString=89.234.186.24

-- 
alarig