Question

Undelivered Mail Returned to Sender - Email problem - digital ocean IP blocked by Gmail?

Posted August 16, 2021 176 views
Email

Hi,
We just shifted server from Godaddy to DO. + 1 email address also.
While were are getting emails from everywhere. When we try to send email to a Gmail address we get** the following error:**
This is the mail system at host chandrasekhar.157-245-137-72.plesk.page.

I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

               The mail system

johnsmith8927@gmail.com: host gmail-smtp-in.l.google.com[173.194.207.26]
said: 550-5.7.28 [157.245.137.72 1] Our system has detected an
unusual rate of 550-5.7.28 unsolicited mail originating from your IP
address. To protect our 550-5.7.28 users from spam, mail sent from your IP
address has been blocked. 550-5.7.28 Please visit 550-5.7.28
https://support.google.com/mail/?p=UnsolicitedIPError to review our 550
5.7.28 Bulk Email Senders Guidelines. h12si3895121qtj.125 - gsmtp (in reply
to end of DATA command)

We have read numourous reports that digital ocean IPs are blocked by Google, Outlook and others as many have missed DO servers for spam etc.

How can we solve this problem, or can we be allotted a new IP? As this is alarming!

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1 answer

Hello, @SP1

The IP address does not seem to be listed in any known RBL. Google tends to block emails from other providers if they’re not following their guidelines.

You can make sure that the email that you’ve sent follows that. The information is listed here:

https://support.google.com/mail/?p=UnsolicitedIPError

As a side note, here is an interesting read on why you may not want to run your own mail server but rather use an SMTP provider:

https://www.digitalocean.com/community/tutorials/why-you-may-not-want-to-run-your-own-mail-server

Hope that this helps!
Regards,
Alex

by Mitchell Anicas
When setting up a web site or application under your own domain, it is likely that you will also want a mail server to handle the domain's incoming and outgoing email. While it is possible to run your own mail server, it is often not the best option for a variety of reasons. This guide will cover many of the reasons that you may not want to run your own mail server, and offer a few alternatives.