Re: [mailop] Outlook strange behavior from Outlook.com (not a surprise... but...)

2021-06-16 Thread Xavier Beaudouin via mailop
>> 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

Re: [mailop] Outlook strange behavior from Outlook.com (not a surprise... but...)

2021-06-16 Thread Stuart Henderson via mailop
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

Re: [mailop] Outlook strange behavior from Outlook.com (not a surprise... but...)

2021-06-16 Thread Mark Foster via mailop
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

[mailop] Outlook strange behavior from Outlook.com (not a surprise... but...)

2021-06-16 Thread Xavier Beaudouin via mailop
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