Question
Postfix: improper command pipelining after EHLO from unknown
I am attempting to access my email via Thunderbird and I get the following in /var/log/mail.log
Oct 14 13:27:22 baal postfix/submission/smtpd[15559]: warning: hostname cuda1.p2pa.com does not resolve to address 69.24.39.162
Oct 14 13:27:22 baal postfix/submission/smtpd[15559]: connect from unknown[69.24.39.162]
Oct 14 13:27:22 baal postfix/submission/smtpd[15559]: improper command pipelining after EHLO from unknown[69.24.39.162]: QUIT\r\n
Oct 14 13:27:22 baal postfix/submission/smtpd[15559]: disconnect from unknown[69.24.39.162]
What is causing this?
Additionally I am also getting the following from Dovecot when it starts in /var/log/mail.err
Oct 14 12:05:35 baal dovecot: auth: Error: read(anvil-auth-penalty) failed: EOF
Oct 14 12:05:35 baal dovecot: auth: Error: net_connect_unix(anvil-auth-penalty) failed: Permission denied
This is the tutorial I followed: https://www.digitalocean.com/community/tutorials/how-to-configure-a-mail-server-using-postfix-dovecot-mysql-and-spamassasin
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