It works with Gmail; it puts a basic notification feature which lets me know whether the recipient has opened my email or not. It has been especially useful when it comes to checking on the clients and confirming whether they have noted the proposals provided to them. Review collected by and hosted on G2.com.

What Mailcastr does not factor into the open rate is whether the person is actually clicking on a particular link within the email. This can be frustrating. Review collected by and hosted on G2.com.