Is DO blocked 587 port? I can not use smtp of my office365

Posted June 24, 2019 3.2k views
CentOS Applications

I use office365 for my business.
I tried to setup smtp in my site but it not success.
I tried telnet to at port 587 but not success too.
Is DO blocked 587 port? If yes, please open it. It is importance to me.
My IP is

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2 answers


I belive that you just need to make sure that you open port 587 for outgoing TCP connections on your droplet itself.

Hope that this helps!


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