Hello, I am trying to figure out why my Postfix disconnect after EHLO command. A customer is trying to email me something but Postfix disconnect: ( on the customer side this is the bounced message "Remote Server returned '< spring1.mydomain.com #5.0.0 smtp; 554 Security violation. Email Session ID:" )
your help is appreciated! Feb 8 09:46:03 spring1 postfix/smtpd[47824]: connect from neon.domain.com [189.45.22.55] Feb 8 09:46:03 spring1 postfix/smtpd[47824]: match_hostname: smtpd_client_event_limit_exceptions: neon.domain.com ~? 189.45.22.55 Feb 8 09:46:03 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 220 spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: < neon.domain.com[189.45.22.55]: EHLO neon.domain.com Feb 8 09:46:04 spring1 postfix/smtpd[47824]: match_list_match: neon.domain.com: no match Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-PIPELINING Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-SIZE 20480000 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-VRFY Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ETRN Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ENHANCEDSTATUSCODES Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-8BITMIME Feb 8 09:46:03 spring1 postfix/smtpd[47824]: connect from neon.domain.com [189.45.22.55] Feb 8 09:46:03 spring1 postfix/smtpd[47824]: match_hostname: smtpd_client_event_limit_exceptions: neon.domain.com ~? 189.45.22.55 Feb 8 09:46:03 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 220 spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: < neon.domain.com[189.45.22.55]: EHLO neon.domain.com Feb 8 09:46:04 spring1 postfix/smtpd[47824]: match_list_match: neon.domain.com: no match Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-PIPELINING Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-SIZE 20480000 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-VRFY Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ETRN Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ENHANCEDSTATUSCODES Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-8BITMIME Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-DSN Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250 SMTPUTF8 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: match_hostname: smtpd_client_event_limit_exceptions: neon.domain.com ~? 189.45.22.55 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: lost connection after EHLO from neon.domain.com[189.45.22.55] Feb 8 09:46:04 spring1 postfix/smtpd[47824]: disconnect from neon.domain.com[189.45.22.55] ehlo=1 commands=1 Feb 8 09:46:03 spring1 postfix/smtpd[47824]: connect from neon.domain.com [189.45.22.55] Feb 8 09:46:03 spring1 postfix/smtpd[47824]: match_hostname: smtpd_client_event_limit_exceptions: neon.domain.com ~? 189.45.22.55 Feb 8 09:46:03 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 220 spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: < neon.domain.com[189.45.22.55]: EHLO neon.domain.com Feb 8 09:46:04 spring1 postfix/smtpd[47824]: match_list_match: neon.domain.com: no match Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-PIPELINING Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-SIZE 20480000 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-VRFY Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ETRN Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ENHANCEDSTATUSCODES Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-8BITMIME Feb 8 09:46:03 spring1 postfix/smtpd[47824]: connect from neon.domain.com [189.45.22.55] Feb 8 09:46:03 spring1 postfix/smtpd[47824]: match_hostname: smtpd_client_event_limit_exceptions: neon.domain.com ~? 189.45.22.55 Feb 8 09:46:03 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 220 spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: < neon.domain.com[189.45.22.55]: EHLO neon.domain.com Feb 8 09:46:04 spring1 postfix/smtpd[47824]: match_list_match: neon.domain.com: no match Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-spring1.mydomain Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-PIPELINING Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-SIZE 20480000 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-VRFY Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ETRN Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-ENHANCEDSTATUSCODES Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-8BITMIME Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250-DSN Feb 8 09:46:04 spring1 postfix/smtpd[47824]: > neon.domain.com[189.45.22.55]: 250 SMTPUTF8 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: match_hostname: smtpd_client_event_limit_exceptions: neon.domain.com ~? 189.45.22.55 Feb 8 09:46:04 spring1 postfix/smtpd[47824]: lost connection after EHLO from neon.domain.com[189.45.22.55] Feb 8 09:46:04 spring1 postfix/smtpd[47824]: disconnect from neon.domain.com[189.45.22.55] ehlo=1 commands=1 -- Thanks for your support, Motty