When Blackbaud sends out email messages on our behalf as part of the EmailFinder email append process, we usually have multiple people reach out and ask if this is spam, if we've been hacked, etc. because the email message says it is from us but look like it is from a robot-type entity.  For example, here is what the Sender looked like to one alumnus just last week: 

On April 5, 2019 at 6:55 PM "TTUCrawfordAlumniCenter@dg10.supersendingsystempro.com" <TTUCrawfordAlumniCenter@dg10.supersendingsystempro.com> wrote:)

This looks very suspicious, and in this day and age, we'll turn alumni and/or donors away with this sort of appearance.