Mar 12 09:23:32 mail postfix/smtpd[588152]: warning: hostname prime9.pvamz.net does not resolve to address 89.190.156.238: Name or service not known
Mar 12 09:23:32 mail postfix/smtpd[588152]: connect from unknown[89.190.156.238]
Mar 12 09:23:33 mail postfix/smtpd[588152]: warning: TLS SNI from unknown[89.190.156.238] is invalid: 160.25.62.180
no one is going help you with that lazy post with no real information.
Is 89.190.156.238 YOUR address? I see it is listed in the Netherlands. Some provider/s there seem to be willing to host spammers according to the ‘crap’ I see on my server. I guess it is profitable.
If not, then this portion of the logs are useless. Just some malcontent trying to abuse your system.
If English is not your first language then use a translator or AI to help improve the communications.
In addition to the hostname resolution failure and the unauthenticated SMTP connection, I’m particularly curious about the TLS SNI anomaly, whereby the client presented an IP address rather than a fully qualified domain name – behaviour that deviates from standard protocol conventions. This could indicate a misconfigured mail client, an automated scanning tool, or potentially a malicious bot.
Would you mind rephrasing your question and providing a bit more context?