Postfix timeout after DATA (0 bytes) on either smtp or submission port
If you get the following error in your Postfix log file, and email clients just appear to be hanging (e.g. stuff in Outbox): Aug 3
If you get the following error in your Postfix log file, and email clients just appear to be hanging (e.g. stuff in Outbox): Aug 3
Steps Create an ad Link it to a lead generation form Once you’re done, this is the menu to send a test message: Linked-In
How to make an URL using GitHub Markdown Markdown syntax for a hyperlink is square brackets followed by parentheses. The square brackets hold the text,
To restart FirewallD, use this command: service firewalld restart However, if FirewallD refuses to restart, and you check the status using this command: service firewalld
Here are some tips, tricks, and traps when working openSUSE How to install Software There’s no apt or yum, so use zypper. Here is an
What is FirewallD? FirewallD (Firewall Daemon) is a nice alternative to iptables but still uses iptables behind the scenes. Yet it’s much simpler and easier
If you get the following error in your Postfix log file, and email clients just appear to be hanging (e.g. stuff in Outbox): Aug 3
Background Kopano is a wonderful groupware application that can fit nicely as a nice intermediate groupware solution between traditional shared hosting IMAP/POP3 mailboxes, and full
To set the timezone in CentOS or Ubuntu, see examples below: timedatectl set-timezone Europe/London timedatectl set-timezone Africa/Johannesburg For a list of zones, use these commands:
SPF SPF records can be added easily by just adding a new TXT record to DNS. But how does the syntax for an SPF record