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Digital Ocean Firewall blocking sending Email

Posted on December 28, 2017

Hi all, I’m running a WordPress site on Ubuntu 16.04 Server. Before using Digital Ocean Firewall feature. My WordPress site was sending outgoing emails without any problem but after enabling I’m getting following error in my mail server log:

server postfix/smtp[10014]: connect to gmail-smtp-in.l.google.com[2607:f8b0:400d:c03::1b]:25: Network is unreachable

Currently I’m using following rules in the firewall:

Inbound Rules: SSH TCP 22 DNS TCP TCP 53 HTTP TCP 80 HTTPS TCP 443 DNS UDP UDP 53

Outbound Rules: DNS TCP TCP 53 HTTP TCP 80 HTTPS TCP 443 DNS UDP UDP 53

Please help me which port rule I’ll need to add in the firewall to fix the issue, Thanks!

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chup1ds

February 2, 2018

Accepted Answer

Me too. I send support ticket about it and here DO answer:

*Hello,

Thank you for contacting DigitalOcean.

Stopping spam is a constant fight, so we have implemented some restrictions on newer accounts. To qualify for the ability to send out email, we do require accounts to wait 60 days before we can look into removing the restriction. Once your account has reached 60 days of stable use, please do reach back out to us so we can look into this for you.

We appreciate your understanding on this matter.*

well this is not make sense to me.

I’m working to build ecommerce site. I signup for vps service and buy cpanel license in order to have manage my site without have shared host limitation. Why DO limit their vps user for sending email from the server while all shared host allow their clients from the first time they signup?

contact80d0e0ffd8de3a73f61

March 16, 2018

hello, all my emails to FEDEX.COM are blocked. Please advise

Pramod Kumar

February 4, 2018

The Problem has been fixed after creating a ticket. Digital Ocean blocked the SMTP port. They want to stop spam, and when contacted they asked few questions, e.g.: My name, Company Name, Blog name and some other info. And they unlocked the port. So if you’re facing the same, then you’ll need to contact Digital Ocean by submitting a support ticket.

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