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Beginner

Blocking email from sending large data file

Hi All,

i was just wondering if i have and email address that is sending large data file, how to stop or block it?

Thanks

3 REPLIES 3
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Hall of Fame Guru

There is a Cisco solution doing this with the Ironport Email appliance. I am not aware of how you would do that with an IOS based device.

HTH

Rick

HTH

Rick
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Thanks Rick ... i was thinking maybe NBAR but when i looked into it i didnt find any feature that enables me to specify email

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Beginner

It is usually best to limit attachment sizes from within your mail server. If it is an AD environment you can limit attachment size per user.

I have found that if I am trying to block it from the user level, I will setup a quick acl that blocks traffic from the user to the mail server. This works well when someone is re-downloading their 3GB mail box across a T1 during normal business hours. As an aside we don't have network wide QoS set up yet. So I have to use duct tape in the mean time.

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