Over the weekend, we received a large volume of 
phishing reports from our known, trusted submitters via the Community Portal, alongside our own automated detections.
This Monday morning, just one of our researchers reviewed those confirmed reports and detections and identified more than 8,000 domains as obvious phishing. These domains often appear in clusters, with a single reported domain acting as the first signal for hundreds more that quickly surface!
Every report from the community can lead us to hundreds of additional phishing domains.
For those of us who monitor this daily, this volume is familiar territory. For everyone else, it may be surprising.
And this is just the tip of the iceberg, uncovered by a single investigator!
If you encounter suspicious domains or URLs, share them with the Spamhaus Threat Intelligence Community here 
https://submit.spamhaus.org