<p><a href="https://github.com/tomhughes" class="user-mention">@tomhughes</a> I was thinking of outbound FW rules etc. </p>

<p>In any case, the other part of this would be a script that (probably slowly) goes through all the existing accounts and disables gravatar for those without one, any preference/suggestion how that should be done, if at all? </p>

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