Why an IP / Domain might have a poor reputation / spam related issue
- There have been reports of spam from your IP. Look up your IP's reputation on SenderBase.
- Your IP exhibits DNS patterns that indicate compromise by a SpamBot. Make sure your DNS is configured according to the protocol for RFC2821, section 184.108.40.206 (http://www.imc.org/ietf-smtp/mail-archive/msg00827.html)
- Your IP contained links to domains hosting or distributing malware
- Checking your ip/domain: http://multirbl.valli.org/dnsbl-lookup/