Problème de réception sur un de mes alias

[Benlouaz]

Bonjour,
Un de mes alias d'adresse mail ne marche plus, ceux qui envoient un mail à cette adresse reçoivent le message d'erreur suivant:

This is the mail system at host mo588.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

<XXX@zaclys.net>: host smtp1.zaclys.net[149.202.115.105] said: 554 5.7.1
<XXX@zaclys.net>: Recipient address rejected: Rejected by SPF:
188.165.39.222 is not a designated mailserver for
MON ALIAS (context mfrom, on proxmail.zaclys.com) (in
reply to RCPT TO command)


Reporting-MTA: dns; mo588.mail-out.ovh.net
X-Postfix-Queue-ID: 4WBDPW0yz3zycy
X-Postfix-Sender: rfc822; contact+_redir+sahgjqxjjv594dwxxjod62xtn@confort-terre.fr
Arrival-Date: Sat, 29 Jun 2024 13:56:47 +0000 (UTC)

Final-Recipient: rfc822; XXX@zaclys.net
Original-Recipient: rfc822;XXX@zaclys.net
Action: failed
Status: 5.7.1
Remote-MTA: dns; smtp1.zaclys.net
Diagnostic-Code: smtp; 554 5.7.1 <XXX@zaclys.net>: Recipient address
rejected: Rejected by SPF: 188.165.39.222 is not a designated mailserver
for MON ALIAS (context mfrom, on proxmail.zaclys.com)

Je eux communiquer les adresses mail hors forum XXX@zaclys.net et MON ALIAS
Merci d'avance

[root]

on dirait que le mail transite d'abord par une liste de diffusion ou un adresse mail en redirection chez ovh ?