Emails unable to send

So mail smtp working fine for you in vultr without getting it unblocked from vultr support?
I dont think that is possible because its not just the port, the smtp relay is usually blocked by hosting providers to prevent abuse of their IPv4 and only by requesting them to unblock it, they do.

thank you very much to everyone.
vultr released the SMTP ports.

it was necessary to restart
vultr server on vultr panel and restart postfix via terminal .

it worked like magic.

good work

thank you very much

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Thanks everyone for the responses. This really worked.

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