>> It trys about 31 times But they didn't had the idea to check the mx1...
>> which is ready for relay.
>
> You can't tell for certain that they didn't check the mx1.
Well absolutly NO connection for this domain on mx1... according to the logs.
And I had some reports about some similars
On 2021/06/16 09:04, Xavier Beaudouin via mailop wrote:
> Hello there,
>
> I have a setup with 2 MX :
>
> domain.tld mx 10 mx1.domain.tld
> domain.tld mx 30 mx3.domain.tld
>
> For some operational reason mx3 replys all mail with a 454 which is TEMPORALY
> error... :
> Jun 14 23:22:55 mx3
Hi Xavier,
If your secondary MX will refuse email with a relaying error, it's not a
valid MX and should be removed from DNS...
This doesn't explain outlook.com favouring it but also, they've pulled
you up on poor configuration. :-)
No point in having an advertised MX that isn't ready for
Hello there,
I have a setup with 2 MX :
domain.tld mx 10 mx1.domain.tld
domain.tld mx 30 mx3.domain.tld
For some operational reason mx3 replys all mail with a 454 which is TEMPORALY
error... :
Jun 14 23:22:55 mx3 postfix/smtpd[83891]: NOQUEUE: reject: RCPT from