Comparis, Zurich
Cutting a Bloated Email List Down to Size
Maintaining a healthy email subscriber list becomes increasingly difficult as you scale. Over time, lists easily become padded with disposable, throwaway addresses that hurt your deliverability and artificially inflate your subscriber counts.
To solve this without adding complexity, we built a monthly automated check using BigQuery. By automatically flagging matches against a disposable-domain list sourced from GitHub, the system pushes dead weight straight to a suppression list.
The result is a completely self-cleaning list that requires no new software tools and bypasses the engineering backlog entirely.
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