Newsletter. Spam test. Questions?

Question

Email

Hi all. I'm doing a newsletter. Began to check for spam test through the mail-tester.com service. This time the test is bad. Spoils statistics spam assassin. I read the rules and didn't understand anything.
www.mail-tester.com/web-jkmsZU
Link to the mail test.
I understand everything from the test, but I can’t understand what the assassin’s spam report writes. Who knows tell me. Preferably throughout the report. And what can be done about it?
All technical points will set up. DKIM SPF PTR DMARC(dmarc changed records yesterday)

Answer 1

Uses %-escapes inside a URL's hostname
That is, the host URL uses characters encoded with %