Re: [exim] Local user enumeration through RCPT

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Author: Chris Edwards
Date:  
To: exim-users
Subject: Re: [exim] Local user enumeration through RCPT
FWIW we test blacklists (public and local) before doing valid-user checks,
so blacklisted spammers can't enumerate our userlist.

Whether it helps in reality I don't know. It does however mean a few more
blacklist lookups, which is not so good.


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