From the attached mailbox (ukr.net) to gmail, sent letters end up in spam to the recipient, why is that?

Question

gmail

I decided to set up Importing mail to Gmail and communication with the ukr.net mail service
. I did everything, set everything up.
From an attached mailbox (ukr.net) to gmail, sent letters end up in spam to the recipient
On gmail, I tried to send a letter and an attached mailbox, but the letter ended up in spam to the recipient
(I checked on several mailboxes, all letters still go to spam)
What could be problem?

Answer 1

I have two mailboxes in Ukr.net, and they write me quite a lot from them - there were no problems - neither while I worked in Ukr.net, nor before or after ... Try to teach spam filters on gmyl that Ukr.net is not spam .

Answer 2

support.google.com/a/bin/answer.py?hl=ru&answer=33786