<p></p>
<p>Well at Facebook and Google they vacuum up all traces of a spam attack.<br>
The only place Facebook can't reach would be an old notification sitting in the user's Gmail Inbox.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/openstreetmap/openstreetmap-website/issues/3158#issuecomment-812969788">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AAK2OLJ3E4J4HBKT7BVZVRDTG7TWHANCNFSM42CU2VRQ">unsubscribe</a>.<img src="https://github.com/notifications/beacon/AAK2OLOAD57OMKSIFUMVWH3TG7TWHA5CNFSM42CU2VR2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOGB2O6PA.gif" height="1" width="1" alt="" /></p>
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