* John Griffiths via Postfix-users:
> I was looking for reasons in my Ubiquity router's configuration and
> found that Ubiquity had added a filter for TOR exit sites in an update
> and it was enabled by default.
Not quite. As I mentioned, ra.horus-it.com is not a Tor *exit* relay,
which means tha
Matt Selsky via Postfix-users:
> Hi,
>
> Microsoft Exchange Online rejects messages with multiple From addresses if
> there's no Sender address specified per
> https://learn.microsoft.com/en-us/exchange/troubleshoot/email-delivery/ndr/fix-error-code-550-5-1-20-multiple-from-addresses
> This is
> On Feb 13, 2025, at 6:27 PM, Matt Selsky via Postfix-users
> wrote:
>
> Hi,
>
> Microsoft Exchange Online rejects messages with multiple From addresses if
> there's no Sender address specified per
> https://learn.microsoft.com/en-us/exchange/troubleshoot/email-delivery/ndr/fix-error-code-5
Hi,
Microsoft Exchange Online rejects messages with multiple From addresses if
there's no Sender address specified per
https://learn.microsoft.com/en-us/exchange/troubleshoot/email-delivery/ndr/fix-error-code-550-5-1-20-multiple-from-addresses
This is in relation to https://www.rfc-editor.org/
SOLVED
My fault.
I was looking for reasons in my Ubiquity router's configuration and
found that Ubiquity had added a filter for TOR exit sites in an update
and it was enabled by default. Of course the setting is buried and a
search does not bring up the setting. Why it is being triggered and