[Resolved]  Sai Webtel Technology — One of their method to cheat

if you are the clients of sai webtel technology, please find an expert (3rd party) to check your database to make sure they did not build any underground tunnel to steal your data or forward a copy of your customers' email to themselves. they are expert in these! they stole my data and customers!!!! please be careful.
you do not need to trust in me, but please do check! it is extremely important!