There are also rate limits on Google side for incoming mails. By just forwarding four domains to my Gmail I used to hit them quite often. Then 2 years ogo, I st

There are also rate limits on Google side for incoming mails. By just forwarding four domains to my Gmail I used to hit them quite often. Then 2 years ogo, I stopped forwarding and switched to the now discontinued Gmail fetching domain mails over POP...