Issue sending emails via VPN

If I connect to my Linux email server from my LAN, everything works as expected but if I connect via OpenVPN when travelling, I can read emails but not send.

Emails just sit in the outbox until “failed to send some emails” message despite repeated “send” requests.

The outgoing server configurations for both accounts (local and remote) are identical.

Android K9 version 11.1

Turns out to be my fault.

I had forgotten to add my VPN network to the SPF record in my name server.

It would have been nice if K9 were a bit more explicit in it’s error message.

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