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Accepted Answer
Hey there,
Couple different issues could be occurring there. For one, the SMTP port might be blocked on our end. A quick ticket to our support team can confirm this for you and work with you if it is.
Another problem could be the droplet itself. To be sure, you’d want to ensure nothing in the firewall is blocking port 25 (or 26 or 587) outbound. You can usually do this using iptables -vnL