Now if only I can figure out how to evade the spam box with my legitimate unsubscribe link that I generate based off of a uniqueId and append to mydomain/unsubs

Now if only I can figure out how to evade the spam box with my legitimate unsubscribe link that I generate based off of a uniqueId and append to mydomain/unsubscribe/$code without having to use a relay mail server such as sendgrid of AWS route 53 :\