can't send emails

Hello Good night it’s been 3 days that i can’t send email… I had a droplet with vestacp, all was working fine until 3 days ago, i thought that was a problem with droplet so yesterday i backed up, destroyed and created another but the error continues… One of my clientes use a lot the e-mail, so i created another droplet, only for this cliente. Configured Vesta, but the error still continues on this new droplet…

Looking the exim’s log in both droplets, i got “Connection timed out” and “R=dnslookup T=remote_smtp defer (110): Connection timed out”.

In both droplets i receive emails inside and outside of the droplet, i can send emails to domain that is hosted on the droplet, but i can’t when is outside.

please help me

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Hello there,

It is possible that port 25 is closed. This is something DigitalOcean has been doing to reduce spam on their network. Please do not think that they are accusing you of sending spam, it is more that they simply cannot accurately determine who is going to send it.

Stopping spam is a constant fight, so DigitalOcean has implemented some restrictions on newer accounts. To qualify for the ability to send out emails, DigitalOcean requires accounts to wait 60 days before they can look into removing the restriction. Once your account has reached 60 days of stable use, please do reach back out to the DigitalOcean support team so they can look into this for you.

In the meantime, you could use port 587 instead.

Regards, Alex