[Dovecot] From Maildir back to smtp

[mailing at securitylabs.it]

Il 23/02/2012 21:41, Marc Perkel ha scritto:
> Not sure how this can be done.
>
> Right now I'm running a free backup MX record service. People point 
> their high MX records to my servers and if they go down we store the 
> email. When they come back up it's delivered.
>
Hi, store how? In a queue with smtp server?

> What I want to do is have a premium service that would allow them to 
> view through IMAP the stored email. In order to do that I would have 
> to deliver the email locally to a dovecot server - to a single account 
> perhaps - and they can view/forward/delete etc.
>
> But - when their server comes back online I'd like to gather up all 
> the delivered email stored in Maildir format and run it back into smtp 
> for delivery.
>
If you store the messages in a queue you can configure your smtp (your 
MX) server to send a copy of all message it receive also to another 
mailbox,  see always_bcc in posfix.