Re: chkuser log mesage, remote <helo:remotehostname:remotehostip>

Eric Shubert ha scritto:
> I use qmail-toaster, and recently changed from using -H with tcpserver 
> to using -h, which looks up the rDNS name and puts it in the 
> TCPREMOTEHOST variable.
>
> With the former setup (-H), the remote portion of the CHKUSER log 
> message contained the helo value, "unknown" for the remotehostname, 
> and the remotehostip value.
>
> With the current setup (-h, or blank), the message now contains the 
> rDNS name in place of "unknown", as expected. The helo portion though, 
> is now blank/null (missing). Is there some reason why the helo value 
> isn't shown when there's a remotehostname value present? Looks like a 
> bug to me.
>
> Many thanks, Tonix!
>
Hi Eric, it is not chkuser, it's a qmail behaviour.

If the helo is not different from (remote) hostname, qmail-smtpd sets it 
to NULL.

    void dohelo(arg)
    char *arg;
    {
      if (!stralloc_copys(&helohost,arg)) die_nomem();
      if (!stralloc_0(&helohost)) die_nomem();
      fakehelo = case_diffs(remotehost,helohost.s) ? helohost.s : 0;
    }

Regards,

Tonino



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