....at least give me the option to security filer settings.

Look at these message headers and then you tell me why it was delivered to my inbox instead of flagged as junk?
The host does not follow sender policy framework so SPF check is essentially failed, DKIM is unknown, and the kicker, DMARC fails outright with the result action of quarantine and yet you delivered it to my inbox as legit mail, marevelous. I understand that my account is free but you still make money off of me with ads and etc so please at least provide basic service.

X-Originating-Ip: [209.85.210.230]
Received-SPF: none (domain of shelltonent.info does not designate permitted sender hosts)
Authentication-Results: atlas112.free.mail.bf1.yahoo.com;
dkim=unknown;
spf=none smtp.mailfrom=shelltonent.info arcoverriddenstatus=NOTOVERRIDDEN;
dmarc=fail(p=QUARANTINE) header.from=payspan.com arcoverriddenstatus=NOTOVERRIDDEN;
X-Apparently-To:.....(you don't need the rest, this is enough)