Understand if email error is due to sender or recipient server

When I try to send emails to a well-known customer of mine, I receive this error: Reporting-MTA: dns; googlemail.com Received-From-MTA: dns; <my email> Arrival-Date: Sat, 11 Jan 2020 03:55:20 -0800 (PST) X-Original-Message-ID: <msg-id> Final-Recipient: rfc822; <customer’s email> Action: failed Status: 5.0.0 Remote-MTA: dns; <domain>.com. (<customer’s server address>, the server for the domain <domain>.com.) Diagnostic-Code: smtp;…

“docker-compose down” removes ip routes

On two different machines (a desktop and a server), the same docker-compose file behaves differently… On one machine docker-compose down seems to remove ip routes altogether that a following docker-compose up does not recreate. Transcript: After systemctl restart docker ip route gives: default via 192.168.22.1 dev enp3s0 proto dhcp src 192.168.22.30 metric 202 172.17.0.0/16 dev…

dante socks server went down after reannounce torrents

When I reannounce many torrents on qbittorrent my Danted fall down. /var/log: Jan 11 10:26:42 (1578738402.297782) danted[20286]: info: sigterm(): exiting on signal 15 firefox: Proxy refuses to accept connections Firefox is configured to use a proxy server that denies the connection. Check the proxy settings and make sure they are correct. Contact your system administrator…

Remove PHP by accident in CentOS 6 With Vestacp

I tried upgrade my server to PHP 7.x and I tried follow an article from sever mom. In their step, it mentioned to remove php and now I’m unable to install or re-activate php again. I tried use: yum –enablerepo=remi-php70 install php70-php php70-php-pear php70-php-bcmath php70-php-pecl-jsond-devel php70-php-mysqlnd php70-php-gd php70-php-common php70-php-fpm php70-php-intl php70-php-cli php70-php php70-php-xml php70-php-opcache php70-php-pecl-apcu…

Alias cname record for zone apex

I am going to redirect example.com to www.example.com. I have several records now. example.com A 1.2.3.4 example.com NS “there are ns values” example.com SOA “SOA value” www.example.com CNAME mydom.example.com mydom.example.com A 5.6.7.8 I try to change “example.com A 1.2.3.4” to cname alias record, that point to www.example.com. I get message “[RRSet of type CNAME with…