Some emails being blocked by SpamCop

The issue has been addressed by SpamCop and services have been restored. To avoid this issue in the future, please consider whitelisting Sine emails to ensure deliverability. See here for more information: https://sine.support/en/articles/2103291-firewall-rules-and-whitelisting

Some emails sent by Sine are being blocked by SpamCop, an independent service that attempts to determine if emails are legitimate before delivering to recipients. We are working with SpamCop to overcome the block. Please consider whitelisting Sine emails to ensure deliverability. See here for more information: https://www.spamcop.net/bl.shtml?167.89.68.46