Unable to send mails from server getting error Our system has detected that this message is 550-5.7.1 likely unsolicited mail
Unable to send mails from server getting error Our system has detected that this message is 550-5.7.1 likely unsolicited mail Getting "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.",connection timed out, delivery temporary suspended error message while sending to gmail users. mails are being delayed on other email users as well. can any one please guide me on this. /var/log/maillog image which shows error: Are these account level emails or newsletter type things? – castis Jun 29 at 12:57 Do you have an SPF Record set up? What about DKIM? Are you using authenticated SMTP? Are you sending spam ? – Mr Glass Jun 29 at 12:57 ...
