Hello! My husband making a new company online and we just set up the needed emails with domain connected. Thunderbird was installed on two different laptop and all the 5 email got configured on both laptop. We run several test on all to see if it is going all fine sending and receiving on both laptop In one of the laptop when sending emails from thunderbird to gmail with 4 email out of 5 has a problem and at gmail site ends in spam or in one instant does not even deliver. We run a test program but that showed all fine, however emails keep showing up in spam at gmail site. Where is the problem? At the host? or at Thunderbird or at Gmail? What should be done to fix it? Thank you very much any suggestions and help. Kind regards, Krisztina