Between the MTA and the IMAP4 who should be responsible for archiving?

I think if you need to keep copies of e-mails, it's better done at the MTA level.

Deliver one copy to the recipient and another copy to the archive.

IMHO.

On Fri, 29 Jan 2021 at 17:12, Rupert Gallagher <ruga@protonmail.com> wrote:

Hello, I would like to know what is your strategy for legally compliant long term archival of e-mails (up to 10 years). Thank you

Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254 7 3200 0004/+254 7 2274 3223
"Oh, the cruft.", grep ^[^#] :-)