thank you for this insight. i too run a quote service. only transactional emails, things users have requested. and still get flagged. my favorite so far is wh

thank you for this insight. i too run a quote service. only transactional emails, things users have requested. and still get flagged. my favorite so far is when a user complained they weren't getting email and it's because they already blacklisted us so our mail provider diligently didn't send to them anymore.