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Clayton's Tech Bits

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Wed, 22 Apr 2009

/SW/email: archivemail: An Automated Means of Capping Mailbox Size

archivemail automates something that I used to do manually about once a month: remove old and large e-mails from my e-mail client's trash folder. A cron job now does the job for me, once per week:

14 13 * * 1 nice /home/userid/scripts/archivemail.sh

running my archivemail.sh script:

#!/bin/sh

archivemail  --days=180 --output-dir=/home/userid/ 
--suffix='_archive_%y%m%d_%X' /home/ckoen/Mail/trash/

archivemail  --size=50000 --days=15 --output-dir=/home/userid/ 
--suffix='_big_%y%m%d_%X' /home/ckoen/Mail/trash/

find /home/userid/trash_* -mtime +30 -type f -exec ls -al {} \;
find /home/userid/trash_* -mtime +30 -type f -exec rm -rf {} \;

The above syntax should be quite readable, with the first line deleting e-mails older then 180 days, and the second deleting e-mails bigger then 50k. Removed e-mails are dumped in my home directory in a compressed mbox file (readable by mutt), and kept for 30 days.

archivemail will handle IMAP, mbox, MH and Maildir format mailboxes. Yes, that means it is supposed to be able to pull down big chunks of e-mail from a remote IMAP mailbox, though I have not tested that feature....

Be sure to use the --dry-run option, which makes no actual changes, while setting up and testing.

posted at: 05:47 | path: /SW/email | permanent link to this entry

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Wed, 22 Apr 2009