Can encode html email after rendering email templates?

[juragandotid]

this my source :

maillist.forEach(function (to, i , text) { (this is array text explode list recipt email an this is loop function)

process external rendering : example path : test/mailtemplate

html : template
}
msg.to = to;

can u helpme to make function extrenal rendering and encode it the email template like base64 or another encode. After that call it to function -> html : this calling function after encode email templates.

Thank you.

[yads]

Sorry I'm not quite sure what you are asking here.