Install-WindowsFeature -Name Telnet-Client Open a new Command Prompt and type:
telnet If enabled, you will see the Microsoft Telnet prompt: Microsoft Telnet> Once the client is active, the syntax is:
telnet gmail-smtp-in.l.google.com 25 HELO mydomain.com MAIL FROM:<test@example.com> RCPT TO:<recipient@gmail.com> DATA Subject: Test This is a test. . QUIT Quickly verify if a firewall is blocking a specific port:
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Install-WindowsFeature -Name Telnet-Client Open a new Command Prompt and type: windows telnet
telnet If enabled, you will see the Microsoft Telnet prompt: Microsoft Telnet> Once the client is active, the syntax is: Once the client is active
telnet gmail-smtp-in.l.google.com 25 HELO mydomain.com MAIL FROM:<test@example.com> RCPT TO:<recipient@gmail.com> DATA Subject: Test This is a test. . QUIT Quickly verify if a firewall is blocking a specific port: windows telnet