Все было ОК, но появилась такая проблема:
This is the mail system at host gifted-dhawan.165-22-204-9.plesk.page.
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[142.250.153.27]
said: 550-5.7.1 [165.22.204.9 19] Our system has detected that this
message is 550-5.7.1 likely suspicious due to the very low reputation of
the sending 550-5.7.1 domain. To best protect our users from spam, the
message has been 550-5.7.1 blocked. Please visit 550 5.7.1
https://support.google.com/mail/answer/188131 for more information.
kx3si11233489ejc.504 - gsmtp (in reply to end of DATA command)
Reporting-MTA: dns; gifted-dhawan.165-22-204-9.plesk.page
X-Postfix-Queue-ID: 3D3447E0CE
X-Postfix-Sender: rfc822; sales@ls-epdm.com
Arrival-Date: Mon, 20 Dec 2021 12:38:12 +0000 (UTC)
Final-Recipient: rfc822; someonesmail@gmail.com
Original-Recipient: rfc822;someonesmail@gmail.com
Action: failed
Status: 5.7.1
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [165.22.204.9 19] Our system has detected
that this message is 550-5.7.1 likely suspicious due to the very low
reputation of the sending 550-5.7.1 domain. To best protect our users from
spam, the message has been 550-5.7.1 blocked. Please visit 550 5.7.1
https://support.google.com/mail/answer/188131 for more information.
kx3si11233489ejc.504 - gsmtp