We have a client that sends out resumes on behalf of her clients, and needed a way to remove the “Powered by phplist” footer on the emails, because we want to have it look like the resume is coming from her client. So, I found this page that told me how to do it:

Removing “powered by” tagline from phplist – by Wesley Tanaka

PHPList is a great piece of free software and I highly recommend it for sending out newsletters and such. Leaving the “powered by” text gives them some advertising, but in this instance it just wasn’t appropriate to leave it in there. If you find yourself in a similar situation, consider making a donation to the project to compensate.