Problème de répondeur à destinateur des adresses mail GMAIL

Bonjour,

Lors de l'envois de messages par répondeurs, les messages à destination des utilisateurs de gmail tombent dans les SPAM et un message d'erreur est envoyé dans la boite mail.

message recu :
This is the mail system at host mo555.mail-out.ovh.net.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

: host gmail-smtp-in.l.google.com[66.102.1.27] said:
550-5.7.1 [188.165.45.211] Messages missing a valid messageId header are
not 550 5.7.1 accepted. l12-20020a05600c2ccc00b003a5f58c0b8fsi7053230wmc.48
- gsmtp (in reply to end of DATA command)
Reporting-MTA: dns; mo555.mail-out.ovh.net
X-Postfix-Queue-ID: 217E623511
X-Postfix-Sender: rfc822; xxx@certim.pro
Arrival-Date: Mon, 26 Sep 2022 15:50:19 +0000 (UTC)

Final-Recipient: rfc822; xxx@gmail.com
Original-Recipient: rfc822;xxx@gmail.com
Action: failed
Status: 5.7.1
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [188.165.45.211] Messages missing a valid
messageId header are not 550 5.7.1 accepted.
l12-20020a05600c2ccc00b003a5f58c0b8fsi7053230wmc.48 - gsmtp


message gmail

This is the mail system at host mo555.mail-out.ovh.net.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

: host gmail-smtp-in.l.google.com[66.102.1.27] said:
550-5.7.1 [188.165.45.211] Messages missing a valid messageId header are
not 550 5.7.1 accepted. l12-20020a05600c2ccc00b003a5f58c0b8fsi7053230wmc.48
- gsmtp (in reply to end of DATA command)


Messages missing a valid messageId header


Faites un ticket incident chez OVH.
Vous ne pouvez pas corriger cela.