I have easy spam fighter enabled. A client cannot receive emails from a vendor because the vendor uses zoho.com and the vendor’s domain does not have DKIM correctly configured. If I add *.zoho.com to /etc/virtual/esf_skip_hosts, will that fix the problem?
2020-09-29 16:00:57 1kNLo1-007Cr1-LV DKIM: d=vendordomain.com s=zoho [failed key import]
2020-09-29 16:00:57 1kNLo1-007Cr1-LV H=sender4-op-o11.zoho.com [136.143.188.11] Warning: DKIM: Invalid. reason='pubkey_unavailable'. May be a temporary problem.
2020-09-29 16:00:58 1kNLo1-007Cr1-LV H=sender4-op-o11.zoho.com [136.143.188.11] X=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no F=<[email protected]> rejected after DATA: Your message to <[email protected]> was classified as SPAM. Please ask your IT dept to make sure your mailserver has REVERSEDNS, SPF, DKIM, and is not on any black lists. Your score: 130