Question

Digital Ocean IP range blocked by Spamhaus PBL. Anyone has any contacts?

As you can see here (https://www.spamhaus.org/pbl/query/PBL1669837) the range 159.203.240.0/24 is listed on the Policy Block List (PBL) by Spamhaus which is meant to indicate that this range belongs to end-user/dial-up/cable/etc customers and is probably not meant to send emails.

However that range most definitely belongs to Digital Ocean (in fact the whole 159.203.0.0/16 does - see http://whois.domaintools.com/159.203.240.0) and has proper reverse DNS set up (as do all hosts in DO).

Does anyone have any technical contacts at Spamhaus? I guess this listing is due to some technical issue on their end, however I can’t get in touch with them (they are notoriously hard to get in touch with) and the only option I see on their site is to “remove one IP” - but I would like to tell them that the entire range is erroneously listed.

Cheers.


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Hello there,

I would like to pinpoint that DigitalOcean is not a mail provider, however running your own droplet provides the option to send emails.

IPs of DigitalOcean might be listed on any blacklist due to many reasons, including “just because they want to so do (based on their own policy)”. Many mail providers are likely to check their database for traces of your droplet’s IP address, but this does not mean you are going to have issues with your outgoing emails.

Firstly, I’ll recommend using this website to check your e-mail sender score. I’ve been using the following tool so far :

https://www.mail-tester.com/

How it runs is, that it gives you an e-mail you send an e-mail to and it says your e-mail score and what you need to improve.

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

You can also look into using third-party services like SendGrid in order to make sure that your emails will be delivered with ease.

https://marketplace.digitalocean.com/apps/sendgrid

Regards

Hello all,

In our public community, we aim to answer open questions about anything SysAdmin, DigitalOcean and beyond. However, we make every attempt to keep personal information safe and so don’t ever access personal account information here. This means we can’t provide help with any account or billing-related issues.

Please reach out to our amazing support team who will be more than happy to assist you.

https://www.digitalocean.com/support/

Hope that helps! Alex

**I am also having the same issue. **Spamhaus is preventing from sending email addresses. I had an issue with IRedMail and decided to try with MailInABox and still experiencing the same issue. Digital Ocean needs to take care of this ASAP!!!

Every new ipaddress I get with a new droplet is blocklisted from Spambaus