What's name of email auto system?

Hi, everybody
I’m going to email-marketing business
I want to buy the sending email auto system like website mailchimp.com or emailbrain.com, but I don’t know what name is it ? how call exactly is its name ? Where is it sold ?

Thanks for helping me.

/* My English isn’t good.Please,help me fix it .Thank you so much */
MERRY CHRISTMAS ANH HAPPY NEW YEAR.

Hi,

Actually you can become a white label reseller of most autoresponders out there. Your customers will not know that the service is supported by them =)

thank you,I’m afraid VIET NAM language isn’t supported.I want to the system which is translated to VIET NAM language