fix: Use SMTP server instead of gmail

The script was using gmail as SMTP server. Or the script uses
a custom SMTP one.

.gitignore

@@ -178,3 +178,9 @@ poetry.toml
 pyrightconfig.json
 
 # End of https://www.toptal.com/developers/gitignore/api/python
+
+# Docker
+docker-compose.override.yml
+docker-compose.yml
+Dockerfile
+.dockerignore