OK,  here's my setup, slightly different, but seems to be same issue.  I
have a production mail server it's working perfectly fine.  I have a
test server on the LAN 192.168.0.195  I want it to be able to send the
logwatch e mails to my address on my production server, but I get this
error.

Connected to 64.168.70.133 but sender was rejected.
Remote host said: 511 sorry, can't find a valid MX for sender domain
(#5.1.1 - chkuser)

My understanding is that I can make these changes
change my current tcp.smtp

127.:allow,RELAYCLIENT="",DKSIGN="/var/qmail/control/domainkeys/%/private",RBLSMTPD="",NOP0FCHECK="1"
:allow,BADMIMETYPE="",BADLOADERTYPE="M",CHKUSER_RCPTLIMIT="50",CHKUSER_WRONGRCPTLIMIT="10",QMAILQUEUE="/var/qmail/bin/simscan",DKSIGN="/var/qmail/control/domainkeys/%/private",NOP0FCHECK="1"

to this

127.:allow,RELAYCLIENT="",DKSIGN="/var/qmail/control/domainkeys/%/private",RBLSMTPD="",NOP0FCHECK="1"
192.168.0.195:allow,RELAYCLIENT="",DKSIGN="/var/qmail/control/domainkeys/%/private",RBLSMTPD="",NOP0FCHECK="1"
:allow,BADMIMETYPE="",BADLOADERTYPE="M",CHKUSER_RCPTLIMIT="50",CHKUSER_WRONGRCPTLIMIT="10",QMAILQUEUE="/var/qmail/bin/simscan",DKSIGN="/var/qmail/control/domainkeys/%/private",NOP0FCHECK="1"

run service qmail cdb

And I should be able to send mail to the production.   Is this the
recommended way of doing this?  I have tried and it doesn't work for me,
but I will try again if this is the correct method.  This is not
critical nor necessary.  This server will only be on the LAN for a few
day.  I really just want to know how it's correctly done.


Eric Shubert wrote:
> Aleksander Podsiadly wrote:
>> W dniu 30.10.2009 18:32, Eric Shubert pisze:
>>> While I agree with your position and hypothetical scenario, I don't
>>> believe that adding an MX record for each host is the correct nor
>>> best solution.
>>>
>>> I don't see any purpose in adding an MX record for each host that
>>> sends email. [...]
>>>
>> That's right, have to be in DNS the MX record or A record for literal
>> after ,,@''.
>>
>
> I'm not (necessarily) disputing that. I believe that the sending
> server should probably not have the host name included in the address
> after the @. IE @host.domain.com should simply be @domain.com, and
> this is configured on the sending server.
>
> One other point I'd like to make. If you create an MX record for
> host.domain.com, shouldn't host.domain.com also be defined in your
> toaster as local or alias domain? I would think it should. So now
> you're talking about a configuration change in DNS and the toaster for
> each host that's going to submit email, as opposed to (simply)
> configuring each server to authenticate. The later seems simpler to me.
>

-- 
Cecil Yother, Jr. "cj"

cj's
2318 Clement Ave
Alameda, CA   94501
tel 1.510.865.2787 | fax 1.510.864.7300
http://yother.com


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