Majority Linux Users are using Thunderbird Mail Client. now if they need to take auto scheduled back up of mails just need to write the below script and set a cron job for that.
#!/bin/sh
## Script to backup Thunderbird email
## Backup needs a date (stamp)
set -x
x=`date +%d%m%y.%H%M`
## Save space by making sure backup is archived
tar zcf thunderb-mail-${x}.tgz /home/user directory/.thunderbird
## Save the compressed backup to mybackup folder
cp thunderb-mail-${x}.tgz /path to store your backup
## Clean up after, we don't need two copies of the backup
sudo rm ~/thunderb-mail-${x}.tgz
schedule mail backup,mail backup in linux,schedule mail backup in linux,scheduled backup for thunderbird,scheduled backup thunderbird linux,linux scheduled backup in thunderbird
#!/bin/sh
## Script to backup Thunderbird email
## Backup needs a date (stamp)
set -x
x=`date +%d%m%y.%H%M`
## Save space by making sure backup is archived
tar zcf thunderb-mail-${x}.tgz /home/user directory/.thunderbird
## Save the compressed backup to mybackup folder
cp thunderb-mail-${x}.tgz /path to store your backup
## Clean up after, we don't need two copies of the backup
sudo rm ~/thunderb-mail-${x}.tgz