Mail enhancements
A few things would be extremely helpful with mail. First of all, we use plesk heavily for mail (5k+ accounts per panel) we really need the following features:
Ability to export and import lists.
Currently, you can make an email address but cannot put the users first name and last name, so when the log into round cube, they must enter this information themselves.
Force password changes every so often. 30 days, etc. this would need to be integrated into round cube since our users do not work inside the panel at all.
Ability to see what mail accounts haven't logged in in a specific amount of time (to track down unused accounts)
Push, but I seen it's already on the list.
Calendars. This is such a requested feature on our end. Push calendars mail and contacts.
Something other than the "webmail" would be nice.
Ability to use clamAV
DKIM and DMARC support for mail authentication.
Ability to use SSL for Mail authentication. Right now someone must manually edit PEM files.
Two step authentication on round cube. The plugin doesn't work that well.
Ability to set a default mailbox limit, but increase capacity individually if need be instead of a default or unlimited.
Smarthost/outgoing server configuration. This is nowhere to be found.
This may be a long stretch, but email archiving to a specific mailbox? (We currently made a homebrew solution that sort of work)

Thank you for your feedback. Unfortunately, this request contains several different suggestions, and it’s not technically possible to properly handle them inside one request. Please consider creating separate feature requests.
- SU
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Anonymous commented
+1 !!!
Especially to the below:
Currently, you can make an email address but cannot put the users first name and last name, so when the log into round cube, they must enter this information themselves.
Ability to see what mail accounts haven't logged in in a specific amount of time (to track down unused accounts)
Calendars. This is such a requested feature on our end. Push calendars mail and contacts.