Aug 21 13:21:17 srv postfix/smtpd[5475]: 93A1E1842D6: milter-reject: DATA from eopbgr1004.outbound.protection.outlook.com[server-IP]: 451 4.7.1 Service unavailable - try again later; from=<sender address> to=<my email account > proto=ESMTP helo=<EUR02-.outbound.protection.outlook.com>
I have turned on spam protection in plesk "server-wide SpamAssassin spam filtering" and "server-wide greylisting spam protection" Why the emails are getting rejected without any proper reason ?
I have turned on spam protection in plesk "server-wide SpamAssassin spam filtering" and "server-wide greylisting spam protection" Why the emails are getting rejected without any proper reason ?