Question

Unable to send mail using Google gmail smpt service

Posted December 1, 2018 737 views
EmailDigitalOceanFirewallDeploymentUbuntu 18.04

I tried to open port 465, But…

ufw allow 465/tcp
ufw allow out 465/tcp
sudo nmap -sS -p 20-2550 localhost

Nmap scan report for localhost (127.0.0.1)
Host is up (0.000019s latency).
Not shown: 2528 closed ports
PORT    STATE SERVICE
22/tcp  open  ssh
80/tcp  open  http
443/tcp open  https
telnet -4 smtp.gmail.com 465
telnet: Unable to connect to remote host: Connection timed out

Unable to open port 465

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1 answer

Hello,

Recently I had the same issue, even though port 465 was allowed for outgoing TCP connections with the ufw allow 465/tcp command I was still not able to connect.

Then I ran an update along with an upgrade, rebooted the system and the connections started working as normal.

Hope that this helps!
Regards,
Bobby

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