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Quoted fields stripped from headers???

Printed From: LogSat Software
Category: Spam Filter ISP
Forum Name: Spam Filter ISP Support
Forum Description: General support for Spam Filter ISP
URL: https://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=246
Printed Date: 03 December 2024 at 9:33pm


Topic: Quoted fields stripped from headers???
Posted By: Guests
Subject: Quoted fields stripped from headers???
Date Posted: 11 April 2003 at 4:20pm
I have a platform that sends faxes via Email. When the Email is generated, it puts the senders phone number in the "From:" part of the header. So it looks like this:

From: "800-555-1212"@foo.com

SpamFilter is getting the correct "Mail from" but is converting this address to "@foo.com" (no quotes however) and passing it on. It is stripping the quoted field. (and thus becoming a protocol violation for the downstream Mail Handlers......)


Replies:
Posted By: LogSat
Date Posted: 11 April 2003 at 6:11pm

If you can either post here or email us mailto:support@logsat.com" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - support@logsat.com a full copy of such a header when the email is processed by SpamFilter and another of an email received without SpamFilter we'll take a look.

Roberto Franceschetti
LogSat Software

Posted By: Guests
Date Posted: 15 April 2003 at 12:24pm
I Emailed the logfiles and headers to "support". Any ETR?

Posted By: LogSat
Date Posted: 15 April 2003 at 12:42pm

Wilson,

Can you please email them again? I went back in our emails but did not find any from you with the headers.

Roberto

Posted By: Guests
Date Posted: 15 April 2003 at 12:54pm
resent....Pls let me know if you do not receive. thnx!

Posted By: LogSat
Date Posted: 15 April 2003 at 11:36pm

The problem is caused by the "From" missing the "<" and ">" brackets in the address. If the header was specified correctly as

Mail from:< mailto:"1-630-572-6357"@www.personalreachmanager.com" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - "1-630-572-6357"@ http://www.personalreachmanager.com" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - http://www.personalreachmanager.com >

it would be accepted. Instead it's interpreted it as:

Name: 1-630-572-6357

Email: @ http://www.personalreachmanager.com" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - http://www.personalreachmanager.com

I think that the RFC interpretation is as SpamFilter sees it. BUT... You are correct in that Netscape (and others, including ours) SMTP servers instead interpret it differently.

SO...

In a few days we'll release a new build with a fix to recognize that address format.

Roberto Franceschetti
LogSat Software


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