get email status (C,C++)

[Dmitry Baryshev-2]

Hi.

I use exim4 in Debian Lenny and jwsmtp library as a SMTP client. When
I try to send a email with non-existent "from" email address, exim
answers 250 OK <HASH>, but don't actually send this email (I believe
that "from" email address is bad). How can I determine
programmatically (C or C++) that exim4 didn't actually send this
email? With SMTP calls to exim, exim configuration or something?
Thanks!

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[Dave Evans-20]

On Mon, Jul 13, 2009 at 01:11:14AM +0300, Dmitry Baryshev wrote:
> Hi.
>
> I use exim4 in Debian Lenny and jwsmtp library as a SMTP client. When
> I try to send a email with non-existent "from" email address, exim
> answers 250 OK <HASH>, but don't actually send this email (I believe
> that "from" email address is bad). How can I determine
> programmatically (C or C++) that exim4 didn't actually send this
> email? With SMTP calls to exim, exim configuration or something?
> Thanks!

By "250 OK <HASH>" do you mean that's the response you get back from the
end-of-data "." command?  If so, then exim has accepted the message, and
"<HASH>" as you call it is actually the exim message ID.  Go look for that ID
in the exim logs to find out what happened to the message.

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Dave Evans
http://djce.org.uk/
http://djce.org.uk/pgpkey


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[Dmitry Baryshev-2]

2009/7/13 Dave Evans <exim-users-20081202@...>:

> On Mon, Jul 13, 2009 at 01:11:14AM +0300, Dmitry Baryshev wrote:
>> Hi.
>>
>> I use exim4 in Debian Lenny and jwsmtp library as a SMTP client. When
>> I try to send a email with non-existent "from" email address, exim
>> answers 250 OK <HASH>, but don't actually send this email (I believe
>> that "from" email address is bad). How can I determine
>> programmatically (C or C++) that exim4 didn't actually send this
>> email? With SMTP calls to exim, exim configuration or something?
>> Thanks!
>
> By "250 OK <HASH>" do you mean that's the response you get back from the
> end-of-data "." command?  If so, then exim has accepted the message, and
> "<HASH>" as you call it is actually the exim message ID.  Go look for that ID
> in the exim logs to find out what happened to the message.
>
> --
> Dave Evans
> http://djce.org.uk/
> http://djce.org.uk/pgpkey
>
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>

Hi. Does it mean that there is no way to determine email status
without parsing logs? I mean that if I have no logs on my box, I won't
determine the email status at all?  Thanks!

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On 13/07/2009, Dmitry Baryshev <ksquirrel.iv@...> wrote:
> Hi. Does it mean that there is no way to determine email status
> without parsing logs? I mean that if I have no logs on my box, I won't
> determine the email status at all?  Thanks!

If you're looking for a separate API that allows you to query the
status of a message, there is none. But if your C/C++ code is carrying
out the SMTP dialogue with Exim, you can use Exim ACLs to provide
feedback to your code within the 2xx, 4xx and 5xx messages.

If the real problem is that Exim is accepting messages with bogus
'From' addresses, you can adjust this in an ACL as well. That's where
the log suggestion comes in - find out exactly why Exim is not
delivering the message and you'll be better informed.

Peter

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