[exim] Received and read time report

Hi All, How can I know the time when an email was read by the recipient? EXIM receives an email and validates the receipt, the time of this receipt is recorded at EXIM_MAINLOG file. Where is the time to read by the recipient? How can I generate a report in have: sender, recipient, time of receip

[exim] Archive Email software management

Hi Sirs, I need a help to install on my Linux Server an Archive Email software management. Exim send around 15.000 billing e-mails each month, receive around 200.000/month and need to archive the 5 last years emails. Which is the best software option? Many thanks in advance; Ronaldo Luiz