I bought it from maildoso smtp and i kept them for warm up since October and now trying to use them and I sent test emails all went to spam i did inbox placement test all emails went to outlook and for google went to spam
We had the same issue, check all your SPF, DKIM and DMARK added and aligned.
When sending test emails make sure you send to a small segment that has high intent of opening and clicking your emails, and if possible avoid sending to Gmail’s initially.