Question

Why are Yahoo and Gmail blacklisting DigitalOcean IPs?

  • Posted on February 13, 2014
  • bert.cashAsked by bert.cash

I have experienced the following situations:

  1. I have been using 2 DO droplets as personal VPN when working from public hotspots. Well, I found that gmail claims the IPs to be from Iran and from Indonesia, (when they belong to NYC and SF datacenters), and I am blocked access to such services as adsense and analytics. Since google is supposed to know better, this incongruency appears to me to be on purpose, not by mistake.

  2. I have used a third droples for two months to host a couple of development sites. Wel, yahoo blocks all email from this server with the message:

“All messages from xx.xx.xx.xx will be permanently deferred; Retrying will NOT succeed”

I have added dkim and spf records for the domain, and contacted yahoo support, but to no avail. I am quite sure my server has not been sending bulk email, but fearing the server was compromised, I then spun another droplet and migrated the domain to the new address. But even the first email I sent from the fresh new IP was immediately blocked by yahoo. At least gmail lets the emails through, so yahoo’s position appears more damaging to me (but even being falsely labeled as connecting from Iran or Indonesia can be damaging - no disrespect meant to those two countries).

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Hello all,

If you’re just attempting to send outgoing mail from the server, I strongly recommend using a service like Sendgrid or Mandrill. They both offer free tiers. If that’s not an option, you can recreate your droplet in order to pick up a new IP address. The system attempts to reserve the IP for you if you create a new droplet with the same name as the old one. So in order to ensure that you receive a new IP, create the new one before destroying the old one.

Regarding the blacklist itself, I could suggest contacting the DigitalOcean support team directly for further assistance.

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

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

Regards, Alex

I could not wait the time it takes for Yahoo to unblock it (if they will) so I moved al the accounts on the server to a new Linode server I created, and the emails went right away.

My IP is not on any blacklist