(newbie) sendmail Masquerading Help?

Alexander Dalloz alexander.dalloz at uni-bielefeld.de
Sat Aug 14 18:06:05 UTC 2004


Am Sa, den 14.08.2004 schrieb Jorge Luis um 19:32:

>     AD> Masquerading for what? verizon.net is hardly your domain.
> 
> Perhaps I'm completely off track, and it's not masquerading that I
> need.  The problem is that the smarthost will not accept mail for
> delivery unless I set masquerading.  This may be a perversion of what
> masqerading is meant to accomplish, but it's the only way I've found
> to have /bin/mail send mail through the smarthost.

Seems in your case masquerading is ok as you have a non existing FQDN
for your Sendmail host. See below the debug output of Sendmail.

> With masquerading unset, I get the exact same output, but the message
> bounces immediately with this error:
> 
> >>> MAIL From:<jorge at satyr.bogus.jl> SIZE=334 AUTH=<>
> <<< 553 satyr.bogus.jl does not exist
> 501 5.6.0 Data format error

That error message makes sense! Not the originally posted. Your host
rejects unresolvable domains, which is a proper setting.

> Am I leaving an open relay or anything by setting masquerading like
> this?  I haven't found how else to get /bin/mail through.

No, there is no risk to be an open relay by this setting.

> Okay, I set masquerading to jorge.cc, and it works fine.  The point
> is, I can't use the smarthost without masquerading to something.

I would suggest you set a domain name by

define(`confDOMAIN_NAME', `satyr.bogus.jl')dnl

Make sure this bogus name is locally resolvable! Check your /etc/hosts
file.   

> Jorge Luis

Alexander


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Alexander Dalloz | Enger, Germany | GPG key 1024D/ED695653 1999-07-13
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