It is still a myth to me. I have 3 accounts effect by this issues, by effect I meant they won't get any email regarding their listing status update like listing is moved, deactivated/deleted by admin, etc. Yes they can get email from resetting password. And yes, beside these 3 accounts, other accounts works great. I tried creating new account, post ads, moved/deactivate/delete/reactivate they all got email no problems