Roundcube is underrated: (see screenshots below)
I see many pass by here to gain some level of ''reputation'' in order to be granted the mailbox with Vivaldi.net domain. It makes me smile when I see a new community member working on solely to increase points in order to arrive at the finish line and get the inbox they long for.
It also makes me smile when volunteers and mods tirelessly keep responding to that question that has been asked ad nauseam. 'When do we get that mailbox?'
Roundcube is underrated by many and I really like it to the point where I think this mailbox below and its basic functionality should be considered as the gold standard of emailing and anything beyond would just be the ice on the cake.
Roundcube is georgous. Neat. Easy to understand and easy to organize. It gives the provider a lot of flexibility. It is compatible with mailvelope for PGP, it has everything you can expect from a mailbox.
Calendar is awesome. So clean as interface and easy to operate. (Please see the screenshots below.)
Settings come with verity of options with a vivaldi link for help:
https://help.vivaldi.com/services/#webmail
Filters work seamlessly. Composing, sending, receiving emails are very smooth process.
The only issue with Vivaldi mail is the encryption. User can encrypt end to end via PGP however emails sit on Vivaldi servers without encryption (encryption at rest) One of the well known email providers that specializes on anonymity, privacy, encryption and data economy also uses Roundcube and I can assure you Vivaldi Mail's interface is way better than Posteo's.
My personal opinion is that Vivaldi mail domain is becoming more more popular amongst young users and I think it should be serviced as a paid option provided that encryption is improved. This of course requires additional developers who understand encryption as this domain doesn't forgive many errors.
calendar.JPG composing.JPG contacts.JPG mailbox.JPG settings.JPG