How to check if mail goes to SPAM?

Question

Fight against spam

Good afternoon!
Is there any service that checks mail for spam? those. incoming messages from it are thrown or not in spam.

Answer 1

postmaster.mail.ru
postmaster.yandex.ru
postmaster.google.com
and so on.

Answer 2

no, it depends on the service
mailru gives info to mailers, and someone else gives