tl;dr: I like PurelyMail and I will slowly switch all my online accounts to use it. I've been using it for almost three months and I didn't have any issues (except with some Hotmail/Outlook addresses). I have a GMail account since 2006 (that's the date of the first email in my inbox), but I started actually using it more in 2009. I have around 120000 emails in total in my mailbox, about 17 Gb in t