Anyone use ReactPHP? Is that still a thing?

When computer A (e.g. in Paris) wants to send e.g HTTP request to server B (e.g. in Berlin), then as I understand, […]

I get the below warning in the mail log file. postfix/trivial-rewrite[]: warning: relay_domains lookup failure The mail server is working well without […]

I’ve been looking for a solution to this problem for a while to no avail. I hope this is the right place […]