Mail delivery

Mail delivery

I initially had a problem sending any outgoing mail and was able to fix it on my own, given Zoho support never got back to me. However, despite being able to send emails now, none of my mail to different Gmail addresses are arriving, and they are not bouncing, either. Mail to Zoho and non-Gmail accounts arrive. I checked Google's guidelines and I can't find anything that may be blocking the emails. Any ideas?

Perhaps it is the fact that the domain is listed with Godaddy, the site is with Squarespace, and the email is with Zoho all makes our domain look suspicious to Google?