Backup and Archive Incoming Email with Exim
Loitering around Google and finding a way to archive/backup incoming email in Exim email server. I went through the documentation in Exim offical website and found out a solution to do that with $tod_log, substr and shadow_transport.
The below transport rule will backup copy of email into /mail/backup/datetime/domainname/userid
save_incoming_email:
driver = appendfile
file = /mail/backup/${substr_0_10:$tod_log}/$domain/$local_part
delivery_date_add
envelope_to_add
return_path_add
group = paulooieximing
user = paulooieximing
local_delivery:
driver = appendfile
file = /mail/$domain/$local_part/inbox
create_directory
delivery_date_add
envelope_to_add
return_path_add
group = paulooieximing
user = paulooieximing
shadow_transport = save_incoming_email
This rules will backup all incoming email in local_delivery router. For you information;
$local_part = email userid
$domain = domain name
$tod_log = date time for log files
${substr_0_10:$tod_log} = substring 10 char for date "2006-07-01"
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