Hi !
My website has a registration process which includes sending a registration mail to the user.
Mail are sent with the dns : tommy2.heliohost.org
All mails sent to gmail are rejected with following message :
<...@gmail.com>: host gmail-smtp-in.l.google.com[142.250.141.27]
said: 550-5.7.1 [65.19.141.77 12] Our system has detected that this
message is 550-5.7.1 likely unsolicited mail. To reduce the amount of spam
sent to Gmail, 550-5.7.1 this message has been blocked. Please visit
550-5.7.1 https://support.google.com/mail/?p=UnsolicitedMessageError 550
5.7.1 for more information.
x12-20020a1709028ecc00b00153b2d16575si6357314plo.381 - gsmtp (in reply to
end of DATA command)
Reporting-MTA: dns; tommy2.heliohost.org
X-Postfix-Queue-ID: BB4D553D393E
X-Postfix-Sender: rfc822; admin@tdm-yamaha.heliohost.org Arrival-Date: Sun, 22 May 2022 20:38:47 +0000 (UTC)
Final-Recipient: rfc822; ...@gmail.com Original-Recipient: rfc822; ...@gmail.com Action: failed
Status: 5.7.1
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [65.19.141.77 12] Our system has detected
that this message is 550-5.7.1 likely unsolicited mail. To reduce the
amount of spam sent to Gmail, 550-5.7.1 this message has been blocked.
Please visit 550-5.7.1
https://support.google.com/mail/?p=UnsolicitedMessageError 550 5.7.1 for
more information. x12-20020a1709028ecc00b00153b2d16575si6357314plo.381 -
gsmtp
Any clue to fix the issue ?
TIA
(changed mail recipent to "...")