Third party ‘spamcop’ mail blacklist service provided by Cisco suffered an outage yesterday due to non-renewal of their spamcop.net. The impact of this is that your email may have been blocked by third parties incorrectly due to the lack of this service being available rather than an issue with our services.
Due to the nature of DNS, cached records for spamcop.net may persist into today so please be mindful of this third party issue. For clarity, our services were not blacklisted.
This issue was widely reported by third parties: