Open your telnet client and connect to your Exchange server on port 25 Microsoft Telnet> open exchange.mydomain.local 25 And you’ll see a response like this; 220 exchange.mydomain.local Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at Thu, 20 Aug 2009 12:03:39 +0100 Type the HELO (or EHLO) command; 250 exchange.mydomain.local Hello [192.168.1.2] Now to begin your … Continue reading Sending SMTP Email to Exchange using Telnet
Sending Email using Telnet with SMTP Authentication
Sending email with Telnet using SMTP commands is an easy way to test your SMTP server solution, sometimes however you need to authenticate yourself to the SMTP server, or your relay server needs to authenticate itself to the onward SMTP server, here’s a nice link which explains how to do it. If you’re using Windows, … Continue reading Sending Email using Telnet with SMTP Authentication
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