mail notif auth error when usernamefile and passwordfile are used

[shalafi99]

Hello!

I have set up mail notif with diun today, if I use the lines below in my compose file environment section:

- DIUN_NOTIF_MAIL_HOST=smtp.gmail.com
- DIUN_NOTIF_MAIL_PORT=587
- DIUN_NOTIF_MAIL_USERNAME=myuser
- DIUN_NOTIF_MAIL_PASSWORD=mypwd
- DIUN_NOTIF_MAIL_FROM=sender-email
- DIUN_NOTIF_MAIL_TO=destination-email

running "diun notif test" inside the container works fine (I receive the test notification message at "destination-email")

I created a secrets folder inside the (persistent) data volume I am mapping in diun and ran these commands:

/data/secrets # ls
/data/secrets # echo "myuser" > username
/data/secrets # echo "mypwd" > password
/data/secrets # ls -l
total 8
-rw-r--r-- 1 root root 6 Aug 30 12:03 password
-rw-r--r-- 1 root root 7 Aug 30 12:02 username

Then I changed the compose file replacing this:

  - DIUN_NOTIF_MAIL_USERNAME=myuser
  - DIUN_NOTIF_MAIL_PASSWORD=mypwd

with this:

  - DIUN_NOTIF_MAIL_USERNAMEFILE=/data/secrets/username
  - DIUN_NOTIF_MAIL_PASSWORDFILE=/data/secrets/password

With that compose modification above, now when I run "diun notif test" in the console I receive this error:

diun: error: rpc error: code = Unknown desc = 535 5.7.8 Username and Password not accepted. For more information, go to
5.7.8 (https://support.google.com/mail/?p=BadCredentials) 98e67ed59e1d1-2d85b145f60sm3931681a91.33 - gsmtp

I know diun is reading the 2 files because if I for example deliberately rename one of them, the log outputs "WRN Cannot retrieve username secret for mail notifier error="open /data/secrets/username: no such file or directory".

I am not well versed in Linux, it should not matter but just in case I converted the LF to LF+CR in the 2 files (using unix2dos). Error stayed the same.

Thanks for the help