Oct 29 12:30:25 server postfix/smtpd: connect from localhost.localdomain Oct 29 12:30:17 server postfix/smtpd: disconnect from unknown ehlo=1 auth=0/1 quit=1 commands=2/3 Oct 29 12:30:17 server postfix/smtpd: warning: unknown: SASL LOGIN authentication failed: authentication failure Oct 29 12:30:17 server plesk_saslauthd: failed mail authentication attempt for user 'linda' (password len=7) Oct 29 12:30:17 server postfix/smtpd: connect from unknown You can also refer yourĪlso not sure if this is relevant but i'm getting this to on MX Lookup Tool - Check your DNS MX Records online - MxToolbox ![]() Their network is on our block list (S3140). Please contact your Internet service provider since part of Remote-MTA: dns .comĭiagnostic-Code: smtp 550 5.7.1 Unfortunately, messages from X-Postfix-Sender: rfc822 įinal-Recipient: rfc822 Your Internet service provider since part of their network is on our block Unfortunately, messages from weren't sent. You canĭelete your own text from the attached returned message. If you do so, please include this problem report. It's attached below.įor further assistance, please send mail to postmaster. ![]() I'm sorry to have to inform you that your message could notīe delivered to one or more recipients.
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