9 data centers around the world, including the United States, Canada, UK, Germany, The Netherlands, Hong Kong, and Isreal.įollow the tutorial linked below to create your Linux VPS server at Kamatera.I recommend Kamatera VPS, which features: Many ISPs and hosting companies such as DigitalOcean block port 25 to control spam. In order to send emails from your server, port 25 (outbound) must be open.
In this case, you can set up a send-only SMTP server on the web server using Postfix, which is a popular SMTP server software. Most likely, there’s no need for users to reply to these emails, or if they reply, the reply emails will be sent to your dedicated mail server. You have a website/web application that needs to send transactional emails to users (such as password-reset emails). I will first show you how to do it for a single domain, then you can apply the steps for multiple domains if you need to. In this article, I will show you how to set up Postfix as a send-only SMTP server on Ubuntu 22.04/20.04/18.04.
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