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Hello, I am unable to connect to smtp.gmail.com:587 from droplet.
Here is log from telnet:

altera@genius-camp:~$ telnet smtp.gmail.com 587
Trying 74.125.206.108...
Trying 74.125.206.109...
Trying 2a00:1450:400c:c04::6d...
telnet: Unable to connect to remote host: Network is unreachable

This droplet was created from snapshot of another droplet from different account and on the old one this works fine

Can you help me with this?

Answer 1

Webmater January 18, 2018

Yes me to

telnet: Unable to connect to remote host: Network is unreachable

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Answer 2

jonleibowitz January 18, 2018

Certain accounts may have outgoing blocks on SMTP ports, you may need to contact DO support to see if that's the case on your account:

https://www.digitalocean.com/company/contact/

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Answer 3

lulucositas July 18, 2018

If you are using Postfix, you have to change a parameter in Postfix configuration, inet_protocols to ipv4:

postconf -e inet_protocols=ipv4

and restart/reload the postfix service

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NearlyNormal April 18, 2019

This wasn't needed. For anyone struggling with this, there are excellent tips here:
https://serverfault.com/questions/240767/postmap-fatal-open-database-etc-postfix-sasl-passwd-db-permission-denied

Also, if you have a firewall as I do (Digital Ocean's firewall in 'Networking'), we need to allow Outbound TCP to 587. Then it works.

Answer 4

NearlyNormal April 18, 2019

This wasn't needed. For anyone struggling with this, there are excellent tips here:
https://serverfault.com/questions/240767/postmap-fatal-open-database-etc-postfix-sasl-passwd-db-permission-denied

Also, if you have a firewall as I do (Digital Ocean's firewall in 'Networking'), we need to allow Outbound TCP to 587. Then it works.

Unable to connect to smtp.gmail.com (Network is unreachable)

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