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From: "Voytek Eymont" on 13 Apr 2010 07:38
I just see a number of these entries:

Apr 13 20:45:37 postfix/smtp[31121]: D1F8DB4491F: to=<dddd(a)domain.com.au>,
relay=mail4.barnet.com.au[202.83.178.125]:25, delay=54911,
delays=54902/0.04/5.4/3.9, dsn=4.1.7, status=deferred (host
mail4.barnet.com.au[202.83.178.125] said: 450 4.1.7 <apache(a)sbt.net.au>:
Sender address rejected: unverified address: host
bilby.sbt.net.au[116.197.145.51] said: 550 5.1.1 <apache(a)sbt.net.au>:
Recipient address rejected: User unknown in virtual mailbox table (in
reply to RCPT TO command) (in reply to RCPT TO command))


mx for the 'dddd(a)domain.com.au' domain is
100 mail5.barnet.com.au 202.83.178.78
200 mail4.barnet.com.au 202.83.178.125

am I correct that:

the form email has apache(a)sbt.net.au as sender;
barnet.com.au attempted to verify 'apache(a)sbt.net.au' on bilby.sbt.net.au;
bilby replied 'user unknown', which then caused barnet to reject the email?

is form mail that has such a 'system address' like 'apache@', with such
mailbox not present 'at fault', or is the remote server 'too strict' in
attempting to verify such a sender email ?



--
Voytek

From: mouss on 13 Apr 2010 18:49
Voytek Eymont a �crit :
> I just see a number of these entries:
>
> Apr 13 20:45:37 postfix/smtp[31121]: D1F8DB4491F: to=<dddd(a)domain.com.au>,
> relay=mail4.barnet.com.au[202.83.178.125]:25, delay=54911,
> delays=54902/0.04/5.4/3.9, dsn=4.1.7, status=deferred (host
> mail4.barnet.com.au[202.83.178.125] said: 450 4.1.7 <apache(a)sbt.net.au>:
> Sender address rejected: unverified address: host
> bilby.sbt.net.au[116.197.145.51] said: 550 5.1.1 <apache(a)sbt.net.au>:
> Recipient address rejected: User unknown in virtual mailbox table (in
> reply to RCPT TO command) (in reply to RCPT TO command))
>
>
> mx for the 'dddd(a)domain.com.au' domain is
> 100 mail5.barnet.com.au 202.83.178.78
> 200 mail4.barnet.com.au 202.83.178.125
>
> am I correct that:
>
> the form email has apache(a)sbt.net.au as sender;
> barnet.com.au attempted to verify 'apache(a)sbt.net.au' on bilby.sbt.net.au;
> bilby replied 'user unknown', which then caused barnet to reject the email?
>
> is form mail that has such a 'system address' like 'apache@', with such
> mailbox not present 'at fault', or is the remote server 'too strict' in
> attempting to verify such a sender email ?
>
>

so you're generating invalid mail and yet you're asking whether the
other side is wrong in rejecting it?

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