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Is it possible to retrieve hundreds of E-mails that have disappeared from my inbox after it was quarantined today by Norton Internet Security?

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I received an infected E-mail this morning that caused Norton Internet Security to quarantine the Inbox. All previously received E-mails are now missing from the Inbox (except for two that apparently arrived immediately before the infected message). (1) Is there any way of retrieving the lost E-mails without re-infecting the inbox? (2) How can I prevent this occurring again? Until today, infected E-mails have simply been removed by Norton Internet Security on their arrival without all earlier messages being lost from the inbox. I should be very grateful for help.

I received an infected E-mail this morning that caused Norton Internet Security to quarantine the Inbox. All previously received E-mails are now missing from the Inbox (except for two that apparently arrived immediately before the infected message). (1) Is there any way of retrieving the lost E-mails without re-infecting the inbox? (2) How can I prevent this occurring again? Until today, infected E-mails have simply been removed by Norton Internet Security on their arrival without all earlier messages being lost from the inbox. I should be very grateful for help.

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you force Nortons to un-quarantine the file. Then you create an exception to Nortons scanning the folders that contain your Thunderbird profile so it does not happen again.

BE assured that the infection is not as serious as the cure. Perhaps you can get someone at Semantec to explain how an email in Thunderbird can infect anything unless you physically open an infected attachment that Nortons should catch when it is written to the temp folder before it is opened.

I have wasted a lot of time talking to corporate morons at Semantec and they just trot out "it is another line of defense" when asked for specifics. Why, because they simply can not justify email scanning in any other terms. It servers little or no benefit with major usability and convenience issues.

This "mail" was written to your hard disk before Semantec managed to make a mess of things. It is a bit late don't you think to be saying "you have an infection". Do they also wait for stuff in your browser to be written to disk? You bet they do. Where is the preventative monitoring to data transmissions that stops infection before it is written to your disk?

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Solution choisie

you force Nortons to un-quarantine the file. Then you create an exception to Nortons scanning the folders that contain your Thunderbird profile so it does not happen again.

BE assured that the infection is not as serious as the cure. Perhaps you can get someone at Semantec to explain how an email in Thunderbird can infect anything unless you physically open an infected attachment that Nortons should catch when it is written to the temp folder before it is opened.

I have wasted a lot of time talking to corporate morons at Semantec and they just trot out "it is another line of defense" when asked for specifics. Why, because they simply can not justify email scanning in any other terms. It servers little or no benefit with major usability and convenience issues.

This "mail" was written to your hard disk before Semantec managed to make a mess of things. It is a bit late don't you think to be saying "you have an infection". Do they also wait for stuff in your browser to be written to disk? You bet they do. Where is the preventative monitoring to data transmissions that stops infection before it is written to your disk?

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Very many thanks for your help. Problem solved!!