docs: function MandrillProvider(apiKey, options) {
  	if (typeof apiKey !== 'string') {
  		throw new Error('Invalid parameters');
  	}
  
  	options = options || {};
  
  	if (typeof options.async === 'undefined')
  		options.async = false;
  
  	if (typeof options.apiSecure === 'undefined')
  		options.apiSecure = true;
  
  	options.apiHostname = options.apiHostname || 'mandrillapp.com';
  	options.apiPort = options.apiPort || (options.apiSecure ? 443 : 80);
  
  	this.apiKey = apiKey;
  	this.options = options;
  }