I set retention to 1 year but on Veeam Explorer I am still seeing 2016 mails: how is it possible? For example in sent items of my mailbox I have a lot of 2016 mails and I see some of them (not all though) with Veeam Explorer. It seems not reliable.
How is the real logic Veeam o365 use to mark mails as expired?
Support told me that maybe Veeam for o365 considers in a not-usual way if there are "reply" to a mail: basically according to them it as it Veeam for o365 changes date to first initial mail (for example if I send a mail on January, somebody replies and I reply again on June, first mail is marked as it is sent on June so 1 year retention starts from June even if Veeam for o365 shows it correctly on January), but is it really possible?
For sure I noticed that in 2017 I moved some mails of mine of 2016 to a backupped PST online (aka "Online Archive") and they are still there in the backup. According to Veeam Support with 1 year retention it is wrong and it is due to big improvements of expiration side mgmt to be performed. Can I consider recoverable these data or I have to consider really expired these even I see with Veeam Explorer?
Thank you in advance.