Except when spam filtering effects deliverability and results in mail the recipient wants to receive going to a spam folder, with no way for the recipient to change the filter. For example, I have a friend who has his own domain based on his surname and his mail from that domain goes to Gmail's spam folder even when the recipient marks it as "Not spam".
Except when spam filtering effects deliverability and results in mail the recipient wants to receive going to a spam folder, with no way for the recipient to change the filter. For example, I have a friend who has his own domain based on his surname and his mail from that domain goes to Gmail's spam folder even when the recipient marks it as "Not spam".