How can I search and delete mail?

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Operating Systems Linux How can I search and delete mail?
# 1  
Old 02-01-2015
How can I search and delete mail?


I'd like to delete emails on one of my Linux boxes using a criteria and I don't really know where to start. Any suggestions?

The emails I'd like to delete have all the following sub-string:

I have more than 187.000 emails and 90% of them I'd like to get rid of.

Thank you,


Last edited by rbatte1; 02-02-2015 at 08:00 AM..
# 2  
Old 02-01-2015
This depends on what format you use to store those mails. In the "mbox" format on *nix, used by - amongst others - thunderbird as well, every mail eintry starts with the word From , to be distinguished from From: which shows up a few lines down.
So - first make a backup of your mail file, and then check with trial and error if you can locate your search string between two From s and print the entry if not. Check also if the result file is interpretable by your mail program.
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