MassMailer, Inc. is a Salesforce ISV Partner based in the United States. MassMailer provides a mass email solution that lets you send unlimited emails to any standard or custom object. MassMailer has very advanced features such as - the ability to attach files, email alerts, drip campaigns, merge fields to any level in the object hierarchy, email monitoring, IP blacklist monitoring, email verification, advanced template builder, create list views by filtering the object, parent object, or the child object fields, send email to the object, parent object, or the child object etc.