Relay error: Connect to port25check.cloudron.io timed out. Check if port 25 (outbound) is blocked
Email Status is checked every 30 minutes. See the troubleshooting docs for more information.
See https://docs.cloudron.io/email/#outbound-ports . Basically, your server is unable to send mail because outbound port 25 is blocked. You have to either get it unblocked by talking to your VPS provider or you can set up a relay.
Expected: v=spf1 a:my.example.company include:_spf.google.com ~all
Actual: v=spf1 include:_spf.google.com ~all
If you are going to use a relay, the error above will go away automatically. Otherwise , you have to add a:my.example.company into the SPF record in the DNS.