@iamout I use gmail as relay. They have a bunch of ip's that can actually change. The list comes from here: In other words my MX record point...

I have followed this post to solve this problem when I initially installed Carbonio. Now I upgraded from 25.6.1 (everything was working fine) to 25.9....

I have the exact same issue when I update my trusted networks. Also Trusted networks seem to not work any more, and I'm unable to receive emails: ...