PenciDesign Supporter replied
Staff Reply
Hi,
This is an issue related to the connection between your server and the Mailchimp server. It is not related to the PenNews theme. Please follow the guide at the link below for more information on this issue, or contact the MC4WP plugin support team directly for an efficient solution:
https://www.mc4wp.com/kb/what-to-do-if-you-run-into-trouble/
Regards,
PenciDesign.