Often an issue with a podcast is a problem with one of the podcast distributors where listeners find your podcasts. In cases like these, where Megaphone can't help, you may want to reach out to the podcasting platforms directly. Here are the public Support Contacts we've been able to find:
Apple Podcasts (iTunes)
You can send an email to: firstname.lastname@example.org
You can send an email to: email@example.com
Check out this article for Google Podcast Manager support.
You can send an email to: firstname.lastname@example.org
or use the contact form here.
You can send an email to: email@example.com
You can submit a ticket to (select "Technical Issues"): https://help.iheart.com/hc/en-us/requests/new?ticket_form_id=156867
You can submit a ticket to (select "Request Technical Assistance"): https://help.npr.org/customer/portal/emails/new
You can submit a ticket to (select "Incorrect information about a station or podcast"): https://help.tunein.com/contact