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On around 29 September 2021, my Discourse forum log shows that no new incoming messages to the forum were being received. No messages were being bounced either - messages sent to the forum now simply never make it to the forum software - they disappear without any kind of response.
No settings changes have been made to the forum software, or in Digital Ocean control panel. The forum MX settings as shown in my Digital Ocean control Panel are still in place and correct.
Mailgun is the email provider for the forum, but again no settings there have been changed, and there are no errors logged by Mailgun.
MXlookup for the forum domain www.nzarchitecture.net.nz shows no errors, though there is one warning ‘DMARC Quarantine/Reject policy not enabled’ - but this is unchanged from when the forum was receiving emails normally.
Why is this suddenly happening? More importantly, how can I resume normal behaviour?
ebeecroft
Noor Bakkal
384d3f11289345379905a243f7b817
IsaacMvd
Ervan Agus
Teckno
dc1bce8262314f84b368813178d9e4
gerard
gerard
Stan Flint