Blocked port 25 and Gmail

March 16, 2014 5.8k views
peter535660
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peter535660
Hi All, I have blocked out port 25. I can receive emails but when i send email from Gmail to my own email behind Postfix it will not deliver. When i open port 25 again all gmail emails got delivered. Is there something i can do about that?
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4 Answers
Zachary_DuBois March 16, 2014
Open a ticket, DigitalOcean blocks ports to your Droplet when there is abuse information on the IP.
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peter535660 March 16, 2014
No i have also create a other question about strange outgoing mails.
Im trying to block these.. already went back to old situation.

Mails working again, but stil my other problem is still open

https://www.digitalocean.com/community/questions/strange-outgoing-mail-postfix-centos
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sleepdreaming March 17, 2014
Have you configured POSTFIX to use Port 465 or 587 with gmail instead?


https://support.google.com/mail/troubleshooter/1668960?hl=en#ts=1665018,1665144
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peter535660 March 17, 2014
There is something going wrong
My postfix sends emails to all kind of unknown email accounts outside (hotmail, gmail etc)

When i do tests it says my mailserver is not relay. Also when i try using termini is says: Relay Acces Denied

But i see lot of outgoing emails used my email account thats configured on my server.

Only explanation i have that they know my password.. but it is a strong password. Or are there other reasons ?
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