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Does Linode block port 587?

Last updated on September 25, 2022 @ 12:50 pm

When it comes to your favorite web hosting provider, Linode is no exception. In fact, they offer a wide array of features and services that can be a great fit for your business.

However, one question that many customers ask is whether or not Linode blocks port 587.

PRO TIP: If you are using port 587 to send email, your messages may not be delivered because Linode may block this port. To avoid this, you can use a different port to send email, or you can contact Linode support to whitelist port 587 for your account.

Yes, Linode does block port 587. This is done to protect their customers from malicious actors who might attempt to exploit this port to launch attacks.

In addition, it also helps to prevent abuse of Linode’s own services. So, if you need to use port 587 for your business, be sure to contact Linode first to see if it’s possible.

Drew Clemente

Drew Clemente

Devops & Sysadmin engineer. I basically build infrastructure online.