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January 2, 2019 19:01
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554 5.7.1 Service unavailable; Client host [IP] blocked using example.com
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| When seeing these types of messages, it may be helpful to remove the failed service using zmprov. See below. | |
| ----- The following addresses had permanent fatal errors ----- | |
| <email address> | |
| (reason: 554 5.7.1 Service unavailable; Client host [IP] blocked using dnsbl.njabl.org) | |
| ----- Transcript of session follows ----- | |
| ... while talking to MAIL.SERVER.HOSTNAME: | |
| >>> DATA | |
| <<< 554 5.7.1 Service unavailable; Client host [IP] blocked using dnsbl.njabl.org | |
| 554 5.0.0 Service unavailable | |
| <<< 554 5.5.1 Error: no valid recipients | |
| ----------------------------------- | |
| The response from the remote server was: | |
| 554 5.7.1 Service unavailable; Client host [IP] blocked using dnsbl.njabl.org | |
| ------------------------------------ | |
| ----- Transcript of session follows ----- | |
| ... while talking to recv.psych.columbia.edu.: | |
| >>> DATA | |
| <<< 554 5.7.1 Service unavailable; Client host [128.59.72.56] blocked using dnsbl.njabl.org | |
| 554 5.0.0 Service unavailable | |
| <<< 554 5.5.1 Error: no valid recipients | |
| ----------------------------------- | |
| root@mail:/home/systems# su - zimbra | |
| zimbra@mail:~$ zmprov gacf | grep zimbraMtaRestriction | |
| zimbraMtaRestriction: reject_invalid_hostname | |
| zimbraMtaRestriction: reject_non_fqdn_hostname | |
| zimbraMtaRestriction: reject_non_fqdn_sender | |
| zimbraMtaRestriction: reject_unknown_client | |
| zimbraMtaRestriction: reject_unknown_hostname | |
| zimbraMtaRestriction: reject_unknown_sender_domain | |
| zimbraMtaRestriction: check_policy_service unix:private/policy | |
| zimbraMtaRestriction: reject_rbl_client cbl.abuseat.org | |
| zimbraMtaRestriction: reject_rbl_client dnsbl.njabl.org | |
| zimbraMtaRestriction: reject_rbl_client sbl.spamhaus.org | |
| zimbraMtaRestriction: reject_rbl_client b.barracudacentral.org | |
| zimbraMtaRestriction: reject_rbl_client zen.spamhaus.org | |
| zimbraMtaRestriction: reject_rbl_client psb.surriel.com | |
| zimbraMtaRestriction: reject_rbl_client bl.spamcop.net | |
| zimbraMtaRestriction: reject_rhsbl_client dbl.spamhaus.org | |
| zimbraMtaRestriction: reject_rhsbl_client multi.uribl.com | |
| zimbraMtaRestriction: reject_rhsbl_client multi.surbl.org | |
| zimbraMtaRestriction: reject_rhsbl_client rhsbl.sorbs.net | |
| zimbraMtaRestriction: reject_rhsbl_reverse_client dbl.spamhaus.org | |
| zimbraMtaRestriction: reject_rhsbl_sender multi.uribl.com | |
| zimbraMtaRestriction: reject_rhsbl_sender multi.surbl.org | |
| zimbraMtaRestriction: reject_rhsbl_sender rhsbl.sorbs.net | |
| zimbraMtaRestriction: reject_rhsbl_sender dbl.spamhaus.org | |
| # Remove the offender | |
| zimbra@mail:~$ zmprov mcf -zimbraMtaRestriction "reject_rbl_client dnsbl.njabl.org" | |
| # Check to see if it's really gone | |
| zimbra@mail:~$ zmprov gacf | grep zimbraMtaRestriction | |
| zimbraMtaRestriction: reject_invalid_hostname | |
| zimbraMtaRestriction: reject_non_fqdn_hostname | |
| zimbraMtaRestriction: reject_non_fqdn_sender | |
| zimbraMtaRestriction: reject_unknown_client | |
| zimbraMtaRestriction: reject_unknown_hostname | |
| zimbraMtaRestriction: reject_unknown_sender_domain | |
| zimbraMtaRestriction: check_policy_service unix:private/policy | |
| zimbraMtaRestriction: reject_rbl_client cbl.abuseat.org | |
| zimbraMtaRestriction: reject_rbl_client sbl.spamhaus.org | |
| zimbraMtaRestriction: reject_rbl_client b.barracudacentral.org | |
| zimbraMtaRestriction: reject_rbl_client zen.spamhaus.org | |
| zimbraMtaRestriction: reject_rbl_client psb.surriel.com | |
| zimbraMtaRestriction: reject_rbl_client bl.spamcop.net | |
| zimbraMtaRestriction: reject_rhsbl_client dbl.spamhaus.org | |
| zimbraMtaRestriction: reject_rhsbl_client multi.uribl.com | |
| zimbraMtaRestriction: reject_rhsbl_client multi.surbl.org | |
| zimbraMtaRestriction: reject_rhsbl_client rhsbl.sorbs.net | |
| zimbraMtaRestriction: reject_rhsbl_reverse_client dbl.spamhaus.org | |
| zimbraMtaRestriction: reject_rhsbl_sender multi.uribl.com | |
| zimbraMtaRestriction: reject_rhsbl_sender multi.surbl.org | |
| zimbraMtaRestriction: reject_rhsbl_sender rhsbl.sorbs.net | |
| zimbraMtaRestriction: reject_rhsbl_sender dbl.spamhaus.org | |
| # You may need to resrtart the services | |
| zimbra@mail:~$ zmcontrol -v restart |
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