I\’m facing an issue with the Newsletter registration.
When entering a valid e-mail and hit submit button, magento opens the following url (which seems to be correct)
...but the result is a 503 error page.
The page is available here:
Did anybody have the same issue or knows how to solve this?
I already tried to use the default theme, but the issue persists.
I’m on Magento 22.214.171.124
Thanks in advance,