how to stop match notification mails

how to stop match notification mails being sent automatically to my members

this is most irritating thing that is sent unnecesarily to my members automatically  as a result if i want to send any specail info naturally it is not valued and my members most probably delete it without reading it.

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How do i stop it no sending automatic mails like this

Hello mytarun,

We are glad to inform you that a profile was added or modified at http://legalservices.co.in/ that matches yours.

Match profile:http://legalservices.co.in/bbb

Your Member ID:4

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Legal Services India - Free legal Advice - Lawyers in India mail delivery system!!!  

administration - settings - advanced settings -

Profile - uncheck - Global Enabling of Couples

Matches - uncheck - Enable matchmaking - Enable view match percent for profiles

Send a cupid mail if the recently joined profile matches more than this percentage -

set to 99

Click save at the bottom

Thank you very much for the prompt reply dolphin_jay

i have done it as you said thank you once again.

I am also facing another issue from very bad people register in my website every day they make 20 30 registration and promoting their shoes and all these things, they are either from US or China.

is there any way i can block these people from opening accounts in my website