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Jorge Bastos | 1 Jan 2008 03:04
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RE: Re: DBMail 2.3.0 released

On message size, i think most of systems won't accept per email more than
20/30MB.
Most email clients or all, will crash with such message size, specially the
*outlook family.

-----Original Message-----
From: dbmail-bounces <at> dbmail.org [mailto:dbmail-bounces <at> dbmail.org] On Behalf
Of Jonathan Feally
Sent: segunda-feira, 31 de Dezembro de 2007 21:13
To: DBMail mailinglist
Subject: Re: [Dbmail] Re: DBMail 2.3.0 released

While there has been quite a bit of discussion already on this topic, 
and I know the purpose of this was to avoid collisions, has there been 
any thought in a configuration option to skip the blob comparison and 
assume they are the same? Perhaps a size threshold that has to be 
exceeded to skip the check. My only thought is a large attachment - say 
100-200 MB - has to be read from the db server and into memory. This 
would be very taxing on the network and memory of the whole system. For 
small shops with the db on the same box, its not that big of an issue, 
but for larger shops with a lot of email traffic, it could become an 
issue. A value of "0" should mean check every part, while of value of 
"16777216" would mean check all parts less than 16 MB. As file sizes 
increase, the likely hood of a size and hash collision is going to 
decrease, especially since larger attachments are rare compared to the 
1.5 MB jpeg.

-Jon

Paul J Stevens wrote:
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Paul J Stevens | 1 Jan 2008 10:21
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Re: Re: DBMail 2.3.0 released

Jake Anderson wrote:

> I think if you comprise an index based on hash and file size it might go
> a ways to speeding things up with minimal cost. You only need to worry
> about a collision if the file/chunk size and the hash are the same.

Sorry Jake, but that kite won't fly (dutch slang)

Adding the size to the index will only increase the size of the
fingerprint. That would essentially be the same as doing composite
hashes (using the size as a poor mans checksum).

Consider that 9 out of 10 times when you retrieve chunks based on their
hash value, they will indeed be the same chunk. But in each of those
cases we *must* do a memcmp to make bloody sure they really are the
same.  I don't see any way around that.

--

-- 
  ________________________________________________________________
  Paul Stevens                                      paul at nfg.nl
  NET FACILITIES GROUP                     GPG/PGP: 1024D/11F8CD31
  The Netherlands________________________________http://www.nfg.nl
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Jorge Bastos | 1 Jan 2008 13:39
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RE: Can't upgrade to 2.3x

Hi Paul,
Any news about this?

Jorge

-----Original Message-----
From: dbmail-bounces <at> dbmail.org [mailto:dbmail-bounces <at> dbmail.org] On Behalf
Of Paul J Stevens
Sent: domingo, 23 de Dezembro de 2007 15:38
To: DBMail mailinglist
Subject: Re: [Dbmail] Can't upgrade to 2.3x

Jorge,

 I uncovered a serious bug in the insertion code that isn't triggered by
the unit-test, but *is* by the delivery chain.

You will loose mail, and some mail won't have any headers. I'm on it
(deep gmime voodoo).

So, please wait for 2.3.2 which I will release as soon as this
particular problem will be solved.

Jorge Bastos wrote:
> Paul,
> 
> What do you think this could be?
> 
>  
>
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Paul J Stevens | 1 Jan 2008 16:08
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Re: Can't upgrade to 2.3x

This problem was fixed, along with some other problems. I'll release
2.3.2 after I'm done testing.

Jorge Bastos wrote:
> Hi Paul,
> Any news about this?
> 
> Jorge
> 
> -----Original Message-----
> From: dbmail-bounces <at> dbmail.org [mailto:dbmail-bounces <at> dbmail.org] On Behalf
> Of Paul J Stevens
> Sent: domingo, 23 de Dezembro de 2007 15:38
> To: DBMail mailinglist
> Subject: Re: [Dbmail] Can't upgrade to 2.3x
> 
> Jorge,
> 
>  I uncovered a serious bug in the insertion code that isn't triggered by
> the unit-test, but *is* by the delivery chain.
> 
> You will loose mail, and some mail won't have any headers. I'm on it
> (deep gmime voodoo).
> 
> So, please wait for 2.3.2 which I will release as soon as this
> particular problem will be solved.
> 
> Jorge Bastos wrote:
>> Paul,
>>
(Continue reading)

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Jorge Bastos | 1 Jan 2008 17:55
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RE: Can't upgrade to 2.3x

Ok Paul,
I'll be tunned to see when you release it.

-----Original Message-----
From: dbmail-bounces <at> dbmail.org [mailto:dbmail-bounces <at> dbmail.org] On Behalf
Of Paul J Stevens
Sent: terça-feira, 1 de Janeiro de 2008 15:09
To: DBMail mailinglist
Subject: Re: [Dbmail] Can't upgrade to 2.3x

This problem was fixed, along with some other problems. I'll release
2.3.2 after I'm done testing.

Jorge Bastos wrote:
> Hi Paul,
> Any news about this?
> 
> Jorge
> 
> -----Original Message-----
> From: dbmail-bounces <at> dbmail.org [mailto:dbmail-bounces <at> dbmail.org] On
Behalf
> Of Paul J Stevens
> Sent: domingo, 23 de Dezembro de 2007 15:38
> To: DBMail mailinglist
> Subject: Re: [Dbmail] Can't upgrade to 2.3x
> 
> Jorge,
> 
>  I uncovered a serious bug in the insertion code that isn't triggered by
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Sascha Braun | 1 Jan 2008 21:43
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DBMail Recipient Access Rejected

Hi People,

I have a webmail frontend installed, I can send out emails from
there to any outbound email address.

As soon as I try to send mails via my evolution email client, an
error message comes up telling me:

Recipient address rejected: Access denied

I can receive emails, and send via a locally on the webserver in-
stalled webmail frontend.

I believe I tried to upgrade dbmail before, the problem appeared,
I downgraded again, the problem disappeared, so it would be really
fine if somebody could tell me, how I migrate.

Thank you fellows!

And a happy successfull new year!

Sascha
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marc | 1 Jan 2008 20:29
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Re: DBMail Recipient Access Rejected

> As soon as I try to send mails via my evolution email client, an
> error message comes up telling me:
> 
> Recipient address rejected: Access denied

Seems like a postfix issue. Do you have a custom postfix sql-script
installed that queries the database?

Keep in mind DBMail is only for mail delivery, not for transport.
If you can receive mail through DBMail, then the migrate was succesfull,
however your postfix setup has to be altered as well.

Best regards,

Marc Dirix

>
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Sascha Braun | 1 Jan 2008 23:53
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Re: DBMail Recipient Access Rejected

Oh, thank you very much, Marc!

I'm really able to receive mail. Thats really a mess.

But good, that I now was able to recognize the problem
a bit better.

Thank you!

Sascha

Am Dienstag, den 01.01.2008, 20:29 +0100 schrieb marc:
> > As soon as I try to send mails via my evolution email client, an
> > error message comes up telling me:
> > 
> > Recipient address rejected: Access denied
> 
> Seems like a postfix issue. Do you have a custom postfix sql-script
> installed that queries the database?
> 
> Keep in mind DBMail is only for mail delivery, not for transport.
> If you can receive mail through DBMail, then the migrate was succesfull,
> however your postfix setup has to be altered as well.
> 
> Best regards,
> 
> Marc Dirix
> 
> > 
> _______________________________________________
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zamri | 2 Jan 2008 04:35
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Re: Re: dbmail-export error



On 12/30/07, zamri <myzamri <at> gmail.com> wrote:


On Dec 30, 2007 4:58 PM, Paul J Stevens <paul <at> nfg.nl> wrote:

What version of mysql are you on?

4.1.12
 
Any news on this?

 

 

 

 

 
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Sim Zacks | 3 Jan 2008 07:22
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deleting folder

dbmail 2.2.7 rc2

In thunderbird, I have a user who is deleting messages and once in a 
while it deletes the entire folder. I cannot reproduce it, but it has 
happened on a number of occasions. When I try to delete the folder, it 
prompts me if I really want to delete the folder and the user has said 
that she does not get any prompts when this happens, so she is not 
clicking on the folder and then hitting delete by accident.

The steps the user takes is to click on an email, read it and then click 
the delete icon. Most of the time it deletes the email, sometimes it 
deletes the folder.

When the folder gets deleted, I fix it by changing the name in in MySQL 
back from Trash/foldername to ParentFolder/foldername. I can't drag it 
out of the trash because when a public folder gets deleted, it changes 
namespace so it can't get renamed back.

Also, is there a way to prevent a user from deleting a folder? When I 
remove delete rights, it prevents the user from deleting the messages in 
the folder.

Thank You

Sim Zacks
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Gmane