Connection could not be established with host mail.domain.com [Connection timed out #110]
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For the mail server domain, yes. The mailbox (different domain) is using Bunny. Proxy is off though. CDN acceleration is disabled in Bunny DNS. I didn't change anything at all when this issue started. It's been working fine. I use FS daily. Also, mail is working fine in Roundcube so DNS, ports, wtv are correct. It's FS that's picky, no sending/fetching of mailboxes. Oh, and I have multiple mailboxes using domains on Cloudflare and Bunny. Issue is the same for all. Issue is the same on a fresh FS, so it's not module related either.
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manage > mail settings > system emails > send test to--- This test email is sent and received fine! -
@humptydumpty the system email is configured by cloudron itself. You can ignore this (for this problem).
One thing in your screenshot: I noticed now that FS has changed it's TLS options (very nice). You have to choose STARTTLS for port 587. In yours it is none.
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The docs still say to use none if CR mail and FS are on the same server (which they are for my case). I updated it to TLS, but issue persists. I even restarted the app with no effect.
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@humptydumpty the docs are a bit outdated since FS has changed the Encryption options. I will fix that once we resolve this... I am out of ideas now though. Can you send us an email to support@cloudron.io with the domain? It must be something very obvious because our FS works.
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@girish I'm not sure if you got my email as I sent an email (proton email) to my CR email (roundcube) and I didn't receive it. I deleted the Hetzner firewall (as I've had it this whole time) and then sent a new email and then it was received in Roundcube.
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@humptydumpty thanks.
Just as an update: we found that for some reason, the docker containers (any of them) are unable to reach any port other than port 443/80 using the public IP. From the server itself, all ports of public IP are reachable... Have to debug this further tomorrow.
