I am unable to redirect a gmail adress towards the nextcloud mail app. I’m not sure why. Is it a probleme with gmail? with pop, imap or smtp protocols?
Could it be someting to do with iptables on my server? (I allowed the different ports -SMTP and IMAP- used by Google in iptables)
I have the same problem with my webmail hosted by OVH.
Any help will be appretiated!