While using the Gmail outgoing server smtp.gmail.com, you may encounter unexpected errors. Due to this, you may not be able to send any emails. One such error is the 'connect to smtp.gmail.com network unreachable' error. This error is related to the gmails Outgoing server. Follow any of the methods to troubleshoot Connect To Smtp Gmail Com Network Is Unreachable error.
While using Gmail, sometimes you may not be able to send an email from email clients if the Allow less secure apps: ON option is not enabled in your Google account. To enable it, follow the steps below.
There may be connectivity issues between the Gmail smtp server and your server. So to check this, open the terminal on your computer and try to ping using the telnet command. Also, check the internet connection on your server as well. If the internet is not fine, then you may not be able to connect to the Gmail server as well.
The Gmail outgoing server smtp.gmail.com uses the default port 25. But in some cases. The firewall on your computer may block port 25 as it is insecure. So it is better to check whether your firewall is blocking the port or not. To enable a port in the Windows firewall, follow the below steps.
Sometimes, the default port for the Gmail smtp outgoing server will be blocked. In such cases, try using the other ports of the smtp server. Try to connect to the Gmail outgoing server from the terminal on your computer using the telnet command. While connecting, try using the ports 587 and 465, which are the secure ports for Gmail outgoing server.