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kerio123

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Hi All,

I am using KWF 6.1.0 Trial Version. I configued my official mail setting in Outlook Express 6.0. I am able to send more than 2 MB as attachment. But I am not able to receive attachment more than 1.75 MB. What's wrong with my settings? I am using the default settings 4096 KB (Content Filtering-Antivirus-Antivirus Engine-Max File Size 4096 KB). I unchecked this option and tried. But no use. Kindly help me in this regard.

Thanks in advance.

Gaja.
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winkelman

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Attachements need to be encoded before transmission (email was originally just meant for sending text, not binary files). This encoding causes the attachements to be up to 150% in size of the actual binary file. So a message size limit of 4Mb actually only allows you to send/receive files of around 3Mb as attachements.

Could this be the problem?

Do you manage your own domain or does your mailserver get the mail from some other mailserver? If so: does this server impose a max. message size?

[Updated on: Mon, 19 September 2005 15:34]

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kerio123

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Hi

Thanks for the response.

I fear this may not be the cause, mainly because, even when i set the upper limit as 999999 (a very high number), the 2MB attachment is not going.

The mail server is a service providers email box that i am accessing thro the outlook express. When accessed directly (ie., not thro this Kerio winroute Proxy/ firewall), any sized attachment goes fine, strongly suggesting that the attachment scanning / stripping process of Kerio as problem point.

I expected this to be solved when i uncheck SMTP from scanning, but that also is not solving this issue.

Thanks
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feite

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Did you try disabling the protocol inspector
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Almok

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Try to increase timeout (till aprx. 3-5 mins) in your mail-client... It's just because of limited bandwidth of you inet-channel and embedded in KWF antivirus scanning.
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kerio123

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Hi,

I disabled the protocol inspector. Now, I am able to send more than 1.75 MB.

Thank you very much for you guidance in right time.

Piramanayagam.
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Almok

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kerio123 wrote on Sat, 24 September 2005 13:47

Hi,

I disabled the protocol inspector. Now, I am able to send more than 1.75 MB.

Thank you very much for you guidance in right time.

Piramanayagam.


But... if you've disabled PI on POP3 protocol, so the Antivirus protection is disabled for you too.
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winkelman

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Almok wrote on Sat, 24 September 2005 21:43

But... if you've disabled PI on POP3 protocol, so the Antivirus protection is disabled for you too.


I agree: it's better to fix the issue than to bypass it.
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giampos

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quote]

But... if you've disabled PI on POP3 protocol, so the Antivirus protection is disabled for you too.[/quote]


....sorry, this mean that if the PI on Pop3 is disabled the Antivirus control not works?
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feite

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Yes. Only for POP3. The protocol inspector initiates the anti virus scanning. If you disable the protocol inspector for HTTP you also disable the virus scanning for HTTP. The protocol inspector recognizes the traffic and knows how to use the anti virus scanner.
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