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smtpout.secureserver.net 587 is blocked

Posted on March 24, 2026

root@ubuntu-s-1vcpu-1gb-35gb-intel-blr1-01:~/quantumverse/backend# telnet smtpout.secureserver.net 587 Trying 92.204.80.1… telnet: Unable to connect to remote host: Connection timed out



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Hey 👋

Yep, default SMTP ports are blocked by default on new accounts to prevent abuse. Even though you’re using authenticated Gmail SMTP, the block still applies.

https://docs.digitalocean.com/support/why-is-smtp-blocked/

Your best bet is to either:

  • Reach out to DigitalOcean support and ask if they can review your account and unblock it (they don’t always do it, but worth a try),

  • Or use a service like SendGrid, Mailgun, or Postmark, much better for deliverability anyway. They allow SMTP over API, which is a good workaround and better for performance too.

Some SMTP providers also support alternative ports like 2525, so you might want to check if Gmail does (last I checked, it doesn’t, but maybe worth double-checking).

Let me know how it goes!

- Bobby

Heya, @rafiqmohammedshah

You have a couple of options: you can open a support ticket and request the SMTP restriction to be lifted on your Droplet and they’ll usually do it if your account has some history and you explain the use case. Or use a third-party email service like SendGrid, Mailgun, Postmark, etc. that works over API instead of SMTP, which avoids the port restriction entirely.

Honestly the API route is usually the better option anyway, it is more reliable deliverability and you don’t have to worry about your IP getting blacklisted.

Regards

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