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Subject: Re: FW: schwabsignature message termination
From: Wietse Venema (wietseporcupine.org)
Date: Thu Jun 08 2000 - 12:13:24 CDT

Rather than speculate, measure.

Postfix ends all lines with <CR><LF> including the lines surrounding
the "." end of data. See my SMTP packet trace debugging tools at
ftp://ftp.porcupine.org/pub/debugging/

        Wietse

Mark Hoffman:
> I have been dealing with an ISP who claims that Postfix is not sending a
> "CRLF . CRLF" to his mail exchanger to end the sent messages. Without
> verifying it myself, I am skeptical that this is the case, since I send out
> 250,000 emails a day from 10 Postfix servers, and he is the only one
> complaining. Attached is the email trail for your viewing pleasure.
>
> Has anyone else run into this?
>
> Your help is much appreciated.
>
> Thanks,
> Mark Hoffman
> 303.417.9999 x267
>
> -----Original Message-----
> From: mikecosandybeach.com [mailto:mikecosandybeach.com]
> Sent: Thursday, June 08, 2000 11:18 AM
> To: Mark Hoffman
> Subject: Re: schwabsignature message termination
>
>
> Sorry Mark,
> on the receiving SMTP server, the message does not have
> the terminating CRLF . CRLF
>
> The SMTP receiver waits 15 minutes to see the terminator,
> then closes the data stream and saves the message in a
> BadMail folder.
>
> Attached, find an example;
> badmsg.txt is the ASCII text
> badmsg.dmp is a HEX/ASCII dump of the message.
>
> Tell me if this helps.
>
> Sincerely,
>
> Michael Courtney
> SandyBeach
> 206-789-9376
> ----- Original Message -----
> From: Mark Hoffman <mark.hoffmanwallst.com>
> To: 'Michael Courtney' <mikecosandybeach.com>
> Sent: Thursday, June 08, 2000 8:02 AM
> Subject: RE: schwabsignature message termination
>
>
> > It is. Otherwise it would not be queued up on my outbound mailservers.
> >
> > Thanks,
> > Mark Hoffman
> > 303.417.9999 x267
> >
> > -----Original Message-----
> > From: mikecosandybeach.com [mailto:mikecosandybeach.com]
> > Sent: Thursday, June 08, 2000 10:58 AM
> > To: Mark Hoffman
> > Subject: Re: schwabsignature message termination
> >
> >
> > Mark,
> >
> > Multiple CR characters as line terminators is not a problem
> > and I appreciate your effort to make messages work with
> > the problematic mail readers.
> >
> > The worst problem is that your messages are not being terminated.
> > That is, every mail message (per RFC 821) must end with
> > <CRLF>.<CRLF>
> > (a period(.) on a line by itself)
> >
> > Please read this web page, it will help;
> > http://www.sandybeach.com/SBmail/smtpeof.htm
> >
> > Sincerely,
> >
> > Michael Courtney
> > SandyBeach
> > 206-789-9376
> > ----- Original Message -----
> > From: Mark Hoffman <mark.hoffmanwallst.com>
> > To: <mikecosandybeach.com>
> > Sent: Thursday, June 01, 2000 2:35 PM
> > Subject: RFC 821 compliance issues.
> >
> >
> > > Mr. Courtney,
> > >
> > > I maintain software that sends hundreds of thousands of stock price
> > > information emails to subscribers for Schwab and other companies. I
> > received
> > > an email from Schwab telling me to call you because our email is not
> > sending
> > > CRLF at the end of each line, and you are bouncing back the emails.
> > > Synonymous with this, I have seen another problem arise that involves
> > email
> > > sent to RoadRunner (rr.com), MSN (msn.com) and Worldnet
> (worldnet.att.net)
> > > domains. Are you hosting these domains as well? I have put code into my
> > > processes to send CRLF as the line terminators per RFC 821 (it's
> > unfortunate
> > > that the major software providers don't ensure that their client
> software
> > is
> > > 821 compliant), and had problems sending to these domains. So, until I
> > debug
> > > this problem, I can't continue to use the CRLF. If you could call me or
> > > reply to this, I would greatly appreciate it.
> > >
> > > Thanks,
> > > Mark Hoffman
> > > 303.417.9999 x267
> > >
> >
> >
>

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