why do i understand mql5 answered my questions ?

[Lan Phuong]

my email is <Deleted>.

i commented very much to be a seller but mql5 didn't reply anything.

Please, answer to me.

Thanks

[Sergey Golubev]

Registering to be a seller is fully automatic way (no one is moderating it).
You can check the following thread where the people can share the experience with each other for example - 

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My seller's account not approved
https://www.mql5.com/en/forum/280472