[GH-ISSUE #342] What to do when port 25 is closed #282

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opened 2026-03-01 17:46:17 +03:00 by kerem · 6 comments
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Originally created by @ririko5834 on GitHub (Oct 4, 2022).
Original GitHub issue: https://github.com/anonaddy/anonaddy/issues/342

I tried to install anonaddy in docker on oracle free tier instance but it doesn't work - getting connection timeout error logs in console from postfix, port 25 is closed. I have tried to also open it on the firewall on oracle dashboard but it doesn't work.
What should I do?
Is there a way to use a different port?

Originally created by @ririko5834 on GitHub (Oct 4, 2022). Original GitHub issue: https://github.com/anonaddy/anonaddy/issues/342 I tried to install anonaddy in docker on oracle free tier instance but it doesn't work - getting connection timeout error logs in console from postfix, port 25 is closed. I have tried to also open it on the firewall on oracle dashboard but it doesn't work. What should I do? Is there a way to use a different port?
kerem closed this issue 2026-03-01 17:46:17 +03:00
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@willbrowningme commented on GitHub (Oct 4, 2022):

I imagine Oracle have blocked port 25 on their free tier in order to prevent mail spam bots and abuse. You can try contacting them to see if this is the case.

You won't be able to receive emails from other mail servers without port 25 open as they will look up the receiving domain's MX record and then attempt to connect to port 25 on that server.

<!-- gh-comment-id:1266911164 --> @willbrowningme commented on GitHub (Oct 4, 2022): I imagine Oracle have blocked port 25 on their free tier in order to prevent mail spam bots and abuse. You can try contacting them to see if this is the case. You won't be able to receive emails from other mail servers without port 25 open as they will look up the receiving domain's MX record and then attempt to connect to port 25 on that server.
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@ririko5834 commented on GitHub (Oct 6, 2022):

I contated them and they dont want to open it

<!-- gh-comment-id:1270055675 --> @ririko5834 commented on GitHub (Oct 6, 2022): I contated them and they dont want to open it
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@ririko5834 commented on GitHub (Oct 6, 2022):

Is there a way to use third-party smtp relay?

<!-- gh-comment-id:1270056223 --> @ririko5834 commented on GitHub (Oct 6, 2022): Is there a way to use third-party smtp relay?
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@willbrowningme commented on GitHub (Oct 10, 2022):

You can use any mail driver compatible with Laravel - https://laravel.com/docs/9.x/mail#driver-prerequisites

But with port 25 closed you still will not be able to accept messages from other mail servers.

<!-- gh-comment-id:1273167069 --> @willbrowningme commented on GitHub (Oct 10, 2022): You can use any mail driver compatible with Laravel - https://laravel.com/docs/9.x/mail#driver-prerequisites But with port 25 closed you still will not be able to accept messages from other mail servers.
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@modaresimr commented on GitHub (Dec 21, 2022):

In oracle you can receive email from port 25 but you can not send email to port 25

Is there any solution to resolve this situation?

<!-- gh-comment-id:1361671695 --> @modaresimr commented on GitHub (Dec 21, 2022): In oracle you can receive email from port 25 but you can not send email to port 25 Is there any solution to resolve this situation?
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@ririko5834 commented on GitHub (Dec 23, 2022):

I host my instance on Contabo

<!-- gh-comment-id:1363772656 --> @ririko5834 commented on GitHub (Dec 23, 2022): I host my instance on Contabo
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