We have to Google most of the letters gets in spam.
On the recommendations of the same Google set up dkim, spf, dmark.
In Yandex and Google now says that the sender is confirmed.
But the stash doesn't turn green
such as here
Post itself is on your server.
And mail on Google it will continue to go in spam.
Why this could happen?
And the second question, the part is sent from the web client roundcube, and the other part with e-mail software, Outlook.
And then in the field Received: from [10.12.18.115] - is the ip address of the computer which made sending.
And the spf recorded the address of the mail server permitted to send also the address of the relevant A and MX records.
How to configure your mail client to the sender field was the ip of the mail server?