ASSP denies relaying from local users

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ASSP denies relaying from local users

by Shabalin, Alexander :: Rate this Message:

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Hi All!

Please explain to me, why ASSP trying to search LDAP with
"proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...", but not
with "proxyaddresses=smtp: MyAddress@..."?
IMHO, BATV tags can't be found in LDAP.  Correct me please, if I going
to the wrong way, cause I still reading BATV draft.

1. ASSP log
Nov-10-09 09:30:47 34647-12645 [Worker_2] 192.168.10.210
<MyAddress@...> info : changed sender from MyAddress@...
to prvs=8565e636cc=MyAddress@...
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:MyExternalAddress@...: 0 :
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...: 0 :
Nov-10-09 09:30:47 34647-12645 [Worker_2] [RelayAttempt] 192.168.10.210
<MyAddress@...> to: MyExternalAddress@... relay attempt
blocked for unknown local sender address
Nov-10-09 09:30:47 [Worker_2] Disconnected: 192.168.10.210

2. And finally - NDR from Exchange:
      MyExternalAddress@... on 10.11.2009 9:30
            There was a SMTP communication problem with the recipient's
email server.  Please contact your system administrator.
            <mxHost.MyDomain.ru #5.5.0 smtp;530 Relaying not allowed -
local sender address unknown>

Changed settings:
NotGreedyWhitelist changed from '' to '0'
GreedyWhitelistAdditions changed from '1' to '0'
DoDomainCheck changed from '3' to '1'
DoScriptRe changed from '0' to '2'
DoBATV changed from '0' to '2'
remindBATVTag changed from '' to '1'
ASSP_AFCReplBadAttach changed from '0' to ''
ASSP_AFCReplViriParts changed from '0' to ''

I have to disable "Do Local Address Check for Local Sender
(DoLocalSenderAddress)" as a temporary solution, but at the evening I'll
switch off BATV.


Env:
Exchange 2003 SP2 + ASSP 2.0.1 (RC 0.5.16),
LDAP is configured and working properly:
Nov-10-09 14:36:27 [Worker_10000] LDAP/VRFY-crosscheck started
Nov-10-09 14:36:28 [Worker_10000] LDAP/VRFY-crosscheck finished
Nov-10-09 14:36:28 [Worker_10000] Saving ldaplist
Nov-10-09 14:36:28 [Worker_10000] Info: 126 records of LDAPlist saved
Nov-10-09 14:36:28 [Worker_10000] INFO: LDAP/VRFY-CrossCheck removed
from queue

Best regards,
Alexander Shabalin




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what you do best, core application coding. Discover what's new with
Crystal Reports now.  http://p.sf.net/sfu/bobj-july
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Antwort: ASSP denies relaying from local users

by Thomas Eckardt/eck :: Rate this Message:

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I have to search for this BUG - but BATV is the wrong concept, better
instead use FBMTV (Message-ID signing).

Thomas




"Shabalin, Alexander" <AShabalin@...>
10.11.2009 15:23
Bitte antworten an
ASSP development mailing list <assp-test@...>


An
<assp-test@...>
Kopie

Thema
[Assp-test] ASSP denies relaying from local users






Hi All!

Please explain to me, why ASSP trying to search LDAP with
"proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...", but not
with "proxyaddresses=smtp: MyAddress@..."?
IMHO, BATV tags can't be found in LDAP.  Correct me please, if I going
to the wrong way, cause I still reading BATV draft.

1. ASSP log
Nov-10-09 09:30:47 34647-12645 [Worker_2] 192.168.10.210
<MyAddress@...> info : changed sender from MyAddress@...
to prvs=8565e636cc=MyAddress@...
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:MyExternalAddress@...: 0 :
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...: 0 :
Nov-10-09 09:30:47 34647-12645 [Worker_2] [RelayAttempt] 192.168.10.210
<MyAddress@...> to: MyExternalAddress@... relay attempt
blocked for unknown local sender address
Nov-10-09 09:30:47 [Worker_2] Disconnected: 192.168.10.210

2. And finally - NDR from Exchange:
      MyExternalAddress@... on 10.11.2009 9:30
            There was a SMTP communication problem with the recipient's
email server.  Please contact your system administrator.
            <mxHost.MyDomain.ru #5.5.0 smtp;530 Relaying not allowed -
local sender address unknown>

Changed settings:
NotGreedyWhitelist changed from '' to '0'
GreedyWhitelistAdditions changed from '1' to '0'
DoDomainCheck changed from '3' to '1'
DoScriptRe changed from '0' to '2'
DoBATV changed from '0' to '2'
remindBATVTag changed from '' to '1'
ASSP_AFCReplBadAttach changed from '0' to ''
ASSP_AFCReplViriParts changed from '0' to ''

I have to disable "Do Local Address Check for Local Sender
(DoLocalSenderAddress)" as a temporary solution, but at the evening I'll
switch off BATV.


Env:
Exchange 2003 SP2 + ASSP 2.0.1 (RC 0.5.16),
LDAP is configured and working properly:
Nov-10-09 14:36:27 [Worker_10000] LDAP/VRFY-crosscheck started
Nov-10-09 14:36:28 [Worker_10000] LDAP/VRFY-crosscheck finished
Nov-10-09 14:36:28 [Worker_10000] Saving ldaplist
Nov-10-09 14:36:28 [Worker_10000] Info: 126 records of LDAPlist saved
Nov-10-09 14:36:28 [Worker_10000] INFO: LDAP/VRFY-CrossCheck removed
from queue

Best regards,
Alexander Shabalin




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Re: Antwort: ASSP denies relaying from local users

by Shabalin, Alexander :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

Thanks for your sugesstion about using FBMTV. I'll find RFC'f about it and read asap.

I've download  RC 0.1.17, set these values:
DoMSGIDsig set to 3, DoBATV set to '0', and enable DoLocalSenderAddress.
Then I did couple mailflow tests, which has been successfull.

While testing I've noticed that when DoBATV is set to 3, I did not receive any delivery reports.
I've not explored yet, did they has been dropped by assp or by Exchange.


Best regards,
Alexander Shabalin



-----Original Message-----
From: Thomas Eckardt/eck [mailto:Thomas.Eckardt@...]
Sent: Tuesday, November 10, 2009 6:23 PM
To: ASSP development mailing list
Subject: [Assp-test] Antwort: ASSP denies relaying from local users

I have to search for this BUG - but BATV is the wrong concept, better instead use FBMTV (Message-ID signing).

Thomas




"Shabalin, Alexander" <AShabalin@...>
10.11.2009 15:23
Bitte antworten an
ASSP development mailing list <assp-test@...>


An
<assp-test@...>
Kopie

Thema
[Assp-test] ASSP denies relaying from local users






Hi All!

Please explain to me, why ASSP trying to search LDAP with
"proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...", but not
with "proxyaddresses=smtp: MyAddress@..."?
IMHO, BATV tags can't be found in LDAP.  Correct me please, if I going
to the wrong way, cause I still reading BATV draft.

1. ASSP log
Nov-10-09 09:30:47 34647-12645 [Worker_2] 192.168.10.210
<MyAddress@...> info : changed sender from MyAddress@...
to prvs=8565e636cc=MyAddress@...
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:MyExternalAddress@...: 0 :
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...: 0 :
Nov-10-09 09:30:47 34647-12645 [Worker_2] [RelayAttempt] 192.168.10.210
<MyAddress@...> to: MyExternalAddress@... relay attempt
blocked for unknown local sender address
Nov-10-09 09:30:47 [Worker_2] Disconnected: 192.168.10.210

2. And finally - NDR from Exchange:
      MyExternalAddress@... on 10.11.2009 9:30
            There was a SMTP communication problem with the recipient's
email server.  Please contact your system administrator.
            <mxHost.MyDomain.ru #5.5.0 smtp;530 Relaying not allowed -
local sender address unknown>

Changed settings:
NotGreedyWhitelist changed from '' to '0'
GreedyWhitelistAdditions changed from '1' to '0'
DoDomainCheck changed from '3' to '1'
DoScriptRe changed from '0' to '2'
DoBATV changed from '0' to '2'
remindBATVTag changed from '' to '1'
ASSP_AFCReplBadAttach changed from '0' to ''
ASSP_AFCReplViriParts changed from '0' to ''

I have to disable "Do Local Address Check for Local Sender
(DoLocalSenderAddress)" as a temporary solution, but at the evening I'll
switch off BATV.


Env:
Exchange 2003 SP2 + ASSP 2.0.1 (RC 0.5.16),
LDAP is configured and working properly:
Nov-10-09 14:36:27 [Worker_10000] LDAP/VRFY-crosscheck started
Nov-10-09 14:36:28 [Worker_10000] LDAP/VRFY-crosscheck finished
Nov-10-09 14:36:28 [Worker_10000] Saving ldaplist
Nov-10-09 14:36:28 [Worker_10000] Info: 126 records of LDAPlist saved
Nov-10-09 14:36:28 [Worker_10000] INFO: LDAP/VRFY-CrossCheck removed
from queue

Best regards,
Alexander Shabalin




------------------------------------------------------------------------------
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on
what you do best, core application coding. Discover what's new with
Crystal Reports now.  http://p.sf.net/sfu/bobj-july
_______________________________________________
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Assp-test@...
https://lists.sourceforge.net/lists/listinfo/assp-test




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*******************************************************
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privileged and protected in law and are intended solely for the use of the

individual to whom it is addressed.
This email was multiple times scanned for viruses. There should be no
known virus in this email!
*******************************************************


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Antwort: Re: Antwort: ASSP denies relaying from local users

by Thomas Eckardt/eck :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

>Thanks for your sugesstion about using FBMTV. I'll find RFC'f about it
and read asap.

You'll notfind any RFC about FBMTV. This is an assp unique feature. Fritz
and I hav'nt jet written a DRAFT to send it to IANA, to get the feature
become a RFC.
FBMTV is doing the same (and some more) like BATV with the email address,
but with the message-id. Using FBMTV and make sure that all outging mails
passing a FBMTV enabled ASSP, you'll get 100% free of unwanted bounces.

Thomas




"Shabalin, Alexander" <AShabalin@...>
11.11.2009 00:03
Bitte antworten an
ASSP development mailing list <assp-test@...>


An
"ASSP development mailing list" <assp-test@...>
Kopie

Thema
Re: [Assp-test] Antwort:  ASSP denies relaying from local users






Thanks for your sugesstion about using FBMTV. I'll find RFC'f about it and
read asap.

I've download  RC 0.1.17, set these values:
DoMSGIDsig set to 3, DoBATV set to '0', and enable DoLocalSenderAddress.
Then I did couple mailflow tests, which has been successfull.

While testing I've noticed that when DoBATV is set to 3, I did not receive
any delivery reports.
I've not explored yet, did they has been dropped by assp or by Exchange.


Best regards,
Alexander Shabalin



-----Original Message-----
From: Thomas Eckardt/eck [mailto:Thomas.Eckardt@...]
Sent: Tuesday, November 10, 2009 6:23 PM
To: ASSP development mailing list
Subject: [Assp-test] Antwort: ASSP denies relaying from local users

I have to search for this BUG - but BATV is the wrong concept, better
instead use FBMTV (Message-ID signing).

Thomas




"Shabalin, Alexander" <AShabalin@...>
10.11.2009 15:23
Bitte antworten an
ASSP development mailing list <assp-test@...>


An
<assp-test@...>
Kopie

Thema
[Assp-test] ASSP denies relaying from local users






Hi All!

Please explain to me, why ASSP trying to search LDAP with
"proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...", but not
with "proxyaddresses=smtp: MyAddress@..."?
IMHO, BATV tags can't be found in LDAP.  Correct me please, if I going
to the wrong way, cause I still reading BATV draft.

1. ASSP log
Nov-10-09 09:30:47 34647-12645 [Worker_2] 192.168.10.210
<MyAddress@...> info : changed sender from MyAddress@...
to prvs=8565e636cc=MyAddress@...
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:MyExternalAddress@...: 0 :
Nov-10-09 09:30:47 [Worker_2] LDAP Results
proxyaddresses=smtp:prvs=8565e636cc=MyAddress@...: 0 :
Nov-10-09 09:30:47 34647-12645 [Worker_2] [RelayAttempt] 192.168.10.210
<MyAddress@...> to: MyExternalAddress@... relay attempt
blocked for unknown local sender address
Nov-10-09 09:30:47 [Worker_2] Disconnected: 192.168.10.210

2. And finally - NDR from Exchange:
      MyExternalAddress@... on 10.11.2009 9:30
            There was a SMTP communication problem with the recipient's
email server.  Please contact your system administrator.
            <mxHost.MyDomain.ru #5.5.0 smtp;530 Relaying not allowed -
local sender address unknown>

Changed settings:
NotGreedyWhitelist changed from '' to '0'
GreedyWhitelistAdditions changed from '1' to '0'
DoDomainCheck changed from '3' to '1'
DoScriptRe changed from '0' to '2'
DoBATV changed from '0' to '2'
remindBATVTag changed from '' to '1'
ASSP_AFCReplBadAttach changed from '0' to ''
ASSP_AFCReplViriParts changed from '0' to ''

I have to disable "Do Local Address Check for Local Sender
(DoLocalSenderAddress)" as a temporary solution, but at the evening I'll
switch off BATV.


Env:
Exchange 2003 SP2 + ASSP 2.0.1 (RC 0.5.16),
LDAP is configured and working properly:
Nov-10-09 14:36:27 [Worker_10000] LDAP/VRFY-crosscheck started
Nov-10-09 14:36:28 [Worker_10000] LDAP/VRFY-crosscheck finished
Nov-10-09 14:36:28 [Worker_10000] Saving ldaplist
Nov-10-09 14:36:28 [Worker_10000] Info: 126 records of LDAPlist saved
Nov-10-09 14:36:28 [Worker_10000] INFO: LDAP/VRFY-CrossCheck removed
from queue

Best regards,
Alexander Shabalin




------------------------------------------------------------------------------
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trial. Simplify your report design, integration and deployment - and focus

on
what you do best, core application coding. Discover what's new with
Crystal Reports now.  http://p.sf.net/sfu/bobj-july
_______________________________________________
Assp-test mailing list
Assp-test@...
https://lists.sourceforge.net/lists/listinfo/assp-test




DISCLAIMER:
*******************************************************
This email and any files transmitted with it may be confidential, legally
privileged and protected in law and are intended solely for the use of the


individual to whom it is addressed.
This email was multiple times scanned for viruses. There should be no
known virus in this email!
*******************************************************


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Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by shdjsahwkjq ehwq kehwkq h :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

Can you share the draft, or an outline, or at the very least, what the  
problem is, what it solves, and how it solves it.  Thank you.
--
Scott * If you contact me off list replace talklists@ with scott@ *

On Nov 10, 2009, at 10:59 PM, Thomas Eckardt/eck wrote:

> You'll notfind any RFC about FBMTV. This is an assp unique feature.  
> Fritz
> and I hav'nt jet written a DRAFT to send it to IANA, to get the  
> feature
> become a RFC.
> FBMTV is doing the same (and some more) like BATV with the email  
> address,
> but with the message-id. Using FBMTV and make sure that all outging  
> mails
> passing a FBMTV enabled ASSP, you'll get 100% free of unwanted  
> bounces.


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Antwort: Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by Thomas Eckardt/eck :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

>Can you share the draft

>>Fritz and I hav'nt jet written a DRAFT

>or an outline

is not jet written

>or at the very least, what the
>problem is, what it solves, and how it solves it

What problem ?

If you want to know what FBMTV is for, read the DRAFT about BATV, the read
the GUI 'Backscatter detection'.

>> FBMTV is doing the same (and some more) like BATV with the email
>> address,
>> but with the message-id. Using FBMTV and make sure that all outging
>> mails
>> passing a FBMTV enabled ASSP, you'll get 100% free of unwanted
>> bounces.

Thomas



Scott Haneda <talklists@...>
11.11.2009 09:07
Bitte antworten an
ASSP development mailing list <assp-test@...>


An
ASSP development mailing list <assp-test@...>
Kopie

Thema
Re: [Assp-test] Antwort: Re: Antwort: ASSP denies relaying from local
users






Can you share the draft, or an outline, or at the very least, what the
problem is, what it solves, and how it solves it.  Thank you.
--
Scott * If you contact me off list replace talklists@ with scott@ *

On Nov 10, 2009, at 10:59 PM, Thomas Eckardt/eck wrote:

> You'll notfind any RFC about FBMTV. This is an assp unique feature.
> Fritz
> and I hav'nt jet written a DRAFT to send it to IANA, to get the
> feature
> become a RFC.
> FBMTV is doing the same (and some more) like BATV with the email
> address,
> but with the message-id. Using FBMTV and make sure that all outging
> mails
> passing a FBMTV enabled ASSP, you'll get 100% free of unwanted
> bounces.


------------------------------------------------------------------------------
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what you do best, core application coding. Discover what's new with
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_______________________________________________
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Assp-test@...
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DISCLAIMER:
*******************************************************
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privileged and protected in law and are intended solely for the use of the

individual to whom it is addressed.
This email was multiple times scanned for viruses. There should be no
known virus in this email!
*******************************************************


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Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by tanstaafl_bh :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

On 11/11/2009, Thomas Eckardt/eck (Thomas.Eckardt@...) wrote:
> You'll notfind any RFC about FBMTV. This is an assp unique feature. Fritz
> and I hav'nt jet written a DRAFT to send it to IANA, to get the feature
> become a RFC.
> FBMTV is doing the same (and some more) like BATV with the email address,
> but with the message-id. Using FBMTV and make sure that all outging mails
> passing a FBMTV enabled ASSP, you'll get 100% free of unwanted bounces.

Ugh...

Fyi, I stumbled across this yesterday when researching FBMTV...

This patent looks almost identical to what FBMTV is doing:

http://www.faqs.org/patents/app/20080270545

and it was apparently initially filed in 2007...

http://www.oti.com/oti/patent/20081030-2008270545-US-A1

Software patents suck...

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Antwort: Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by Thomas Eckardt/eck :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

The idea is so simple, that it is possible, that some others have had it
before. This does not matter - I have some less to do (the DRAFT) - but it
works great in ASSP.

Thomas




Charles Marcus <CMarcus@...>
11.11.2009 14:25
Bitte antworten an
ASSP development mailing list <assp-test@...>


An
ASSP development mailing list <assp-test@...>
Kopie

Thema
Re: [Assp-test] Antwort: Re: Antwort: ASSP denies relaying from local
users






On 11/11/2009, Thomas Eckardt/eck (Thomas.Eckardt@...) wrote:
> You'll notfind any RFC about FBMTV. This is an assp unique feature.
Fritz
> and I hav'nt jet written a DRAFT to send it to IANA, to get the feature
> become a RFC.
> FBMTV is doing the same (and some more) like BATV with the email
address,
> but with the message-id. Using FBMTV and make sure that all outging
mails
> passing a FBMTV enabled ASSP, you'll get 100% free of unwanted bounces.

Ugh...

Fyi, I stumbled across this yesterday when researching FBMTV...

This patent looks almost identical to what FBMTV is doing:

http://www.faqs.org/patents/app/20080270545

and it was apparently initially filed in 2007...

http://www.oti.com/oti/patent/20081030-2008270545-US-A1

Software patents suck...

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Re: Antwort: Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by GrayHat :: Rate this Message:

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> The idea is so simple, that it is possible, that some others
> have had it before. This does not matter - I have some less
> to do (the DRAFT) - but it works great in ASSP.

Just to wipe some "fog" :)

When sending a message through an FBMTV enabled ASSP
the latter will retrieve the original message ID for the message
and prepend a unique signature to it; so, for example having
a message with a Message-ID header like

001501ca62d6$915c7740$213fd1a0@...

and sending it through ASSP, the message ID, after ASSP
FBMTV processing may become

sig.1566bcf893.001501ca62d6$915c7740$213fd1a0@...

notice the "sig.xxxxx.<original-message-id>" at this point,
since the Message-ID isn't "mangled" by other servers when
someone will reply to your message, ASSP will check the
incoming Message-ID for a valid (and own) FBMTV signature
and will strip it off, so the message ID will become (again)

001501ca62d6$915c7740$213fd1a0@...

by the way, in case of bounces, if the bounce is "valid" that is
generated by a message with a valid FBMTV tag, it will pass
otherwise, missing the tag in the signature the message will
be considered an "invalid bounce" and will be rejected

The beauty of this approach is that it doesn't mangle the sender
email address (as BATV does) so it eases dealing with email
addresses whitelists and so on while, at the same time, retaining
the same efficiency of BATV (ok, probably a better efficiency :D)


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Re: Antwort: Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by tanstaafl_bh :: Rate this Message:

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On 11/11/2009, GrayHat (grayhat@...) wrote:
> The beauty of this approach is that it doesn't mangle the sender
> email address (as BATV does) so it eases dealing with email
> addresses whitelists and so on while, at the same time, retaining
> the same efficiency of BATV (ok, probably a better efficiency :D)

As I said, this is virtually identical to the patented process I
referred to... did you read it?

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Re: Antwort: Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by GrayHat :: Rate this Message:

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>> The beauty of this approach is that it doesn't mangle the sender
>> email address (as BATV does) so it eases dealing with email
>> addresses whitelists and so on while, at the same time, retaining
>> the same efficiency of BATV (ok, probably a better efficiency :D)
 
> As I said, this is virtually identical to the patented process I
> referred to... did you read it?

Yes, and in effect it seems quite similar to FBMTV now it's to see
if the patent may be claimed or not but at any rate putting a patent
on such a thing really SUCKS imHo


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Re: Antwort: Re: Antwort: Re: Antwort: ASSP denies relaying from local users

by tanstaafl_bh :: Rate this Message:

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On 11/11/2009, GrayHat (grayhat@...) wrote:
> Yes, and in effect it seems quite similar to FBMTV now it's to see
> if the patent may be claimed or not but at any rate putting a patent
> on such a thing really SUCKS imHo

Exactly... this is like trying to patent swimming, its ridiculous. I
just wanted Thomas and Fritz to be aware of it...

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Re: Antwort: ASSP denies relaying from local users

by Fritz Borgstedt :: Rate this Message:

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ASSP development mailing list <assp-test@...>
schreibt:
>Thanks for your sugesstion about using FBMTV. I'll find RFC'f about
>it and read asap.

Yo will not find RFCs. Note the name "FB"MTV and you may guess the
origin.


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