Sure, assume that. But is it too much to ask they state it either way? Why be so dismissive about it?

Not taking it personally. heretohelp's comment history suggests a proclivity to unnecessary confrontation and aggressive tone.

It's obviously a question you could ask about any service ("Google, are you concerned about criminals using Gmail to conduct criminal business?"), but it seems particularly worth addressing when the name of your product evokes usage by drug dealers and mobsters to evade law enforcement.

Most web email providers stamp outbound messages with the source IP address used when sending the message as a way of discouraging illegal activity.