[Zope] Re: Anyone using Zope Mail Host with MS Exchange ? (chas)

Wed, 12 Jan 2000 11:49:56 -0800

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I typed a long response to the original email, but my browser crashed
before I could push the send button.  Here it goes again.

I recently had real problems sending mail to aol.com addresses when
using the dtml-sendmail tag.  I could send to postfix, sendmail, and
software.com MTAs no problem, but aol always dropped it on the floor.
When I turned on logging in my MTA (mail server), it showed the aol
mailserver sending a 250 OK response to the mail sent by the mailhost,
which means that AOL's server has now taken responsibility for the
message.  However, the messages were never arriving.  I finally
concluded that the message must have some funky defect in the headers
that was causing the server to consider the message to be spam, and not
deliver it.

I wouldn't be surprised if your mails were doing the same thing.

I finally resolved the problem as follows:

I stopped using a mailhost, and just use the smtphost modifier in the
sendmail tag.
I had to use both the mailfrom and mailto modifiers in the sendmail tag.

I had a To and From line in my headers.  Additionally, since I was
getting the To and From values from dtml variables, I had to make sure
that a new line was inserted after the header

To: <dtml-if var_name><dtml-var var_name><dtml-else>default</dtml-if>
From: <dtml-if var_name><dtml-var var_name><dtml-else>default</dtml-if>
Subject: Blah

Message Body goes Here
</dtml-sendmail>

Generated this:

To: Name1 From: Name2 Subject: Blah

Message Body goes Here

I had to use the following:

To: <dtml-if var_name><dtml-var var_name>
<dtml-else>default
</dtml-if>
From: <dtml-if var_name><dtml-var var_name>
<dtml-else>default
</dtml-if>
Subject: Blah

Mesage body goes here
</dtml-sendmail>

in order to generate a message body that looks like:

To: Name1
From: Name2
Subject: Blah

Messsage body goes here

It is very important that you include a blank line after the last
header, or else many mailers my reject or defer your message.

David Salgado wrote:

> Hi Chas
>
> >I have a client reporting that mail sent from Zope
> >using a MS Exchange box as their Zope Mail Host
> >never arrives.
>
> Just tried using our Exchange server as the SMTP
> server for a MailHost (which works just fine with the
> other two 'real' SMTP servers I have access to, and
> sure enough, the mail never arrived.
>
> Looks like a real MS feature -- anyone else?
>
> BTW, the Exchange server works OK as an SMTP
> host from Outlook Express, which is the only
> 'standards-based' mail client I've got on this machine.
>
> Cheers
>
>              David
>
> _______________________________________________
> Zope maillist  -  Zope@zope.org
> http://lists.zope.org/mailman/listinfo/zope
> **   No cross posts or HTML encoding!  **
> (Related lists -
>  http://lists.zope.org/mailman/listinfo/zope-announce
>  http://lists.zope.org/mailman/listinfo/zope-dev )

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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
I typed a long response to the original email, but my browser crashed before
I could push the send button.&nbsp; Here it goes again.
I recently had real problems sending mail to aol.com addresses when
using the dtml-sendmail tag.&nbsp; I could send to postfix, sendmail, and
software.com MTAs no problem, but aol always dropped it on the floor.&nbsp;
When I turned on logging in my MTA (mail server), it showed the aol mailserver
sending a 250 OK response to the mail sent by the mailhost, which means
that AOL's server has now taken responsibility for the message.&nbsp; However,
the messages were never arriving.&nbsp; I finally concluded that the message
must have some funky defect in the headers that was causing the server
to consider the message to be spam, and not deliver it.
I wouldn't be surprised if your mails were doing the same thing.
I finally resolved the problem as follows:
I stopped using a mailhost, and just use the smtphost modifier in the
sendmail tag.
 I had to use both the mailfrom and mailto modifiers in the sendmail
tag.
 I had a To and From line in my headers.&nbsp; Additionally, since I
was getting the To and From values from dtml variables, I had to make sure
that a new line was inserted after the header
To: &lt;dtml-if var_name>&lt;dtml-var var_name>&lt;dtml-else>default&lt;/dtml-if>
 From: &lt;dtml-if var_name>&lt;dtml-var var_name>&lt;dtml-else>default&lt;/dtml-if>
 Subject: Blah
Message Body goes Here
 &lt;/dtml-sendmail>
Generated this:
To: Name1 From: Name2 Subject: Blah
Message Body goes Here
I had to use the following:
To: &lt;dtml-if var_name>&lt;dtml-var var_name>
 &lt;dtml-else>default
 &lt;/dtml-if>
 From: &lt;dtml-if var_name>&lt;dtml-var var_name>
 &lt;dtml-else>default
 &lt;/dtml-if>
 Subject: Blah
Mesage body goes here
 &lt;/dtml-sendmail>
in order to generate a message body that looks like:
To: Name1
 From: Name2
 Subject: Blah
Messsage body goes here
It is very important that you include a blank
line after the last header, or else many mailers my reject or defer your
message.
 &nbsp;
David Salgado wrote:
<blockquote TYPE=CITE>Hi Chas
>I have a client reporting that mail sent from Zope
 >using a MS Exchange box as their Zope Mail Host
 >never arrives.
Just tried using our Exchange server as the SMTP
 server for a MailHost (which works just fine with the
 other two 'real' SMTP servers I have access to, and
 sure enough, the mail never arrived.
Looks like a real MS feature -- anyone else?
BTW, the Exchange server works OK as an SMTP
 host from Outlook Express, which is the only
 'standards-based' mail client I've got on this machine.
Cheers
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
David
_______________________________________________
 Zope maillist&nbsp; -&nbsp; Zope@zope.org
 <a href="http://lists.zope.org/mailman/listinfo/zope">http://lists.zope.org/mailman/listinfo/zope</a>
 **&nbsp;&nbsp; No cross posts or HTML encoding!&nbsp; **
 (Related lists -
 &nbsp;<a href="http://lists.zope.org/mailman/listinfo/zope-announce">http://lists.zope.org/mailman/listinfo/zope-announce</a>
 &nbsp;<a href="http://lists.zope.org/mailman/listinfo/zope-dev">http://lists.zope.org/mailman/listinfo/zope-dev</a>
)</blockquote>
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