RE: PTR record for mail server

2023-06-03 Thread Bonno Bloksma
Hi Andy, [] >> My understanding is that as we are sending email from our own domain >> e.g "example.com" its complaining because the PTR is ovh.net not example.com? > No, there is no requirement for the PTR record to match the From: > address of the email. They just want it to not look

Re: PTR record for mail server

2023-06-02 Thread Andy Smith
Hi, On Fri, Jun 02, 2023 at 12:46:04PM +0100, Andrew Wood wrote: > Can I clarify my understanding of an issue with a Debian Postfix server > please. We have a mail server which is a VPS running Debian hosted by OVH. > Its hostname is of the form vps-xyz.vps.ovh.net the PTR for the IP resolves >

Re: PTR record for mail server

2023-06-02 Thread Andrew Wood
On 02/06/2023 13:01, Dan Ritter wrote: Ask OVH to set the PTR to one of your domains, and make sure you have an MX in each of your domains that points back to that domain. i.e.: PTR mail.longterm.com MX for longterm: 50 mail.longterm.com MX for otherdomain: 30 mail.otherdomain.com 50

Re: PTR record for mail server

2023-06-02 Thread Dan Ritter
Andrew Wood wrote: > Hi > > Can I clarify my understanding of an issue with a Debian Postfix server > please. We have a mail server which is a VPS running Debian hosted by OVH. > Its hostname is of the form vps-xyz.vps.ovh.net the PTR for the IP resolves > to that. > > The the issue is our

Re: PTR record for mail server

2023-06-02 Thread Michel Verdier
Le 2 juin 2023 Andrew Wood a écrit : > The the issue is our server sends mail for our own domains and we are getting > mail rejected from some recipient servers with 550 PTR rejected: Please use a > non-generic PTR (in reply to RCPT TO command. Give the full message for better understanding but