Re: [exim] Backscatterer blocking

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Autor: Lena
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A: exim-users
Assumpte: Re: [exim] Backscatterer blocking
> From: Marti Markov

> RCPT TO: NoSuchUser@???
> 250 Accepted


> Restarted exim and I started getting this:


> RCPT TO: NoSuchUser2@???
> 550 Unrouteable address


You must use "require verify = recipient" in your rcpt ACL
before the first "accept" (except relay_from_hosts and authenticated).
Perhaps you added it, but didn't restart Exim then.

If you always had "verify = repipient" then perhaps sometimes
your LDAP errorneoulsy replies that "NoSuchUser" exists
during rcpt ACL, then replies correctly while trying to send a bounce.