Incoming smtp: 554 Access Denied

[Jesse Kretschmer]

Howdy, I've seen error "Client host rejected: Access denied" in many other postings, but more than a day of reading has not led me to a solution. A client is having issues sending mail to our server.  I investigated and found that postfix was rejecting the sending server with: NOQUEUE: reject: RCPT from bb02d1.eurorscg.com[69.74.116.40]: 554 5.7.1 <bb02d1.eurorscg.com[69.74.116.40]>: Client host rejected: Access denied; I assume (possibly incorrectly) that error 554 is only raised due to the smtpd_recipient_restrictions.  Looking at my settings I did not see anything that would deny the host bb02d1.eurorscg.com[69.74.116.40], but as a good measure I added a whitelist. This is my whitelist: 69.74.116.40 OK I ran postmap on the whitelist to create whitelist.db These are now my current settings from main.cf smtpd_recipient_restrictions =   permit_mynetworks   permit_sasl_authenticated   reject_unauth_destination   check_client_access hash:/usr/local/etc/postfix/whitelist   reject_rbl_client sbl.spamhaus.org   reject_invalid_hostname   reject_non_fqdn_hostname   reject_non_fqdn_sender   reject_non_fqdn_recipient   reject_unknown_sender_domain   reject_unknown_recipient_domain   permit After postfix reload and 12 hours of waiting I noticed the problem is still here. These are the relevant lines from maillog: Jun 24 09:30:50 mail postfix/smtpd[44853]: connect from bb02d1.eurorscg.com[69.74.116.40] Jun 24 09:30:50 mail postfix/smtpd[44853]: setting up TLS connection from bb02d1.eurorscg.com[69.74.116.40] Jun 24 09:30:50 mail postfix/smtpd[44853]: Anonymous TLS connection established from bb02d1.eurorscg.com[69.74.116.40]: SSLv3 with cipher RC4-MD5 (128/128 bits) Jun 24 09:30:50 mail postfix/smtpd[44853]: NOQUEUE: reject: RCPT from bb02d1.eurorscg.com[69.74.116.40]: 554 5.7.1 <bb02d1.eurorscg.com[69.74.116.40]>: Client host rejected: Access denied; from=<XREMOVEDX@eurorscg.com> to=<xremov...@psyop.tv> proto=ESMTP helo=<bb02d1.eurorscg.com> Jun 24 09:30:50 mail postfix/smtpd[44853]: disconnect from bb02d1.eurorscg.com[69.74.116.40] Inspecting the DNS records for the domain eurorscg.com I discovered that bb02d1.eurorscg.com is not listed as an MX.  I am not sure if this is related. eurorscg.com.           13      IN      MX      10 eurorscg.com.1.arsmtp.com. eurorscg.com.           13      IN      MX      20 eurorscg.com.2.arsmtp.com. I don't know how troubleshoot this further.  Where the "Access denied" error is coming from?  Any help would be appreciated. Cheers, jesse