https://davidhampgonsalves.com/tags/telnet/Recent content in Telnet on David Hamp-GonsalvesHugo -- gohugo.ioen-USWed, 09 Nov 2011 00:00:00 +0000https://davidhampgonsalves.com/smtp-test/usage-via-telnet/Wed, 09 Nov 2011 00:00:00 +0000https://davidhampgonsalves.com/smtp-test/usage-via-telnet/A telnet client is a handy testing tool for testing connectivity between servers. Today I needed to test an SMTP server connection from a linux environment so I wrote the following script. You could use the same technique manually to do the same thing as long as your have access to a telnet client. Usage The script takes three parameters: the smtp server url, the sender address and the recipient address.