"Risky" means uncertain, not bad. Some risky addresses are perfectly fine; others are best left out. Here is how to decide.
Look at the reason
Each risky address tells you why. "Accepts any address" (a catch-all) is common and often fine. An abuse or spam-trap signal is a stronger reason to remove it.
Think about the source
- From people who signed up themselves or whom you know? Usually safe to keep.
- From an old, bought, or unknown list? Be more cautious.
- Carrying a spam-trap or abuse signal? Leave it out.
A safe approach
If you want to keep some risky addresses, send to them in a small, separate batch first and watch the results. If they behave well, fold them back into your main list next time.
Tip
When in doubt, protect your reputation. One healthy send to fewer people beats a big send that lands in spam.
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