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Is DO blocked 587 port? I can not use smtp of my office365
I use office365 for my business.
I tried to setup smtp in my site but it not success.
I tried telnet to smtp.office365.com 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 184.108.40.206
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