Use Protonmail Bridge with Discourse

Hi @meglio This seems to be giving me an error

After the initial sysctl commands

root@ip-172-31-0-166:/var/discourse# systemctl status protonsocat.service
● protonsocat.service - Socat Bridge ProtonMail/Discourse
     Loaded: loaded (/etc/systemd/system/protonsocat.service; enabled; vendor preset: enabled)
     Active: active (running) since Sun 2022-12-18 20:58:18 UTC; 25s ago
   Main PID: 2020962 (socat)
      Tasks: 1 (limit: 1143)
     Memory: 2.0M
        CPU: 4ms
     CGroup: /system.slice/protonsocat.service
             └─2020962 socat -d -d -lm TCP4-LISTEN:1026,fork,reuseaddr,so-bindtodevice=docker0,range=172.17.0.0/24 TCP4:127.0.0.1:1025

Dec 18 20:58:18 ip-172-31-0-166 systemd[1]: Started Socat Bridge ProtonMail/Discourse.
Dec 18 20:58:18 ip-172-31-0-166 socat[2020962]: 2022/12/18 20:58:18 socat[2020962] W ioctl(5, IOCTL_VM_SOCKETS_GET_LOCAL_CID, ...): Inappropriate ioctl for device
Dec 18 20:58:18 ip-172-31-0-166 socat[2020962]: N listening on AF=2 0.0.0.0:1026
**Dec 18 20:58:42 ip-172-31-0-166 systemd[1]: /etc/systemd/system/protonsocat.service:3: Failed to add dependency on protonbridge.service,docker.service, ignoring: Invalid argument**

Also when running the ./discourse-doctor I am getting error as


==================== MAIL TEST ====================
For a robust test, get an address from http://www.mail-tester.com/
Or just send a test message to yourself.
Email address for mail test? ('n' to skip) [[REDACTED]@proton.me]: 
Sending mail to [REDACTED]@proton.me. . . 
SAM: sudo docker exec -w /var/www/discourse -i app rake emails:test[[REDACTED]@proton.me]
Testing sending to [REDACTED]@proton.me using 172.17.0.1:1026, username:[REDACTED]@proton.me with plain auth.
======================================== ERROR ========================================
                                    UNEXPECTED ERROR

**end of file reached**

====================================== SOLUTION =======================================
This is not a common error. No recommended solution exists!

Please report the exact error message above to https://meta.discourse.org/
(And a solution, if you find one!)

Any pointers would be appreciated and would be helpful!
Thank you.