iPhone 6 “Cannot Get Mail The mail server Imap.gmail.com is not responding. Please make sure you have added the correct account in mail settings” [closed]

Both my iPhone 6 & my Lenovo Yoga 80 with Windows 10 will not send or show new emails. Also Lenovo I cannot delete files, or copy/paste. The Lenovo was the only device taken to repair guy 8/27/2020, but I used my iPhone 6 for its hotsp… Continue reading iPhone 6 “Cannot Get Mail The mail server Imap.gmail.com is not responding. Please make sure you have added the correct account in mail settings” [closed]

By sending an email to a server, can you identify whether it was contacted before?

Are there any security issues on IMAP or Exchange where you could know whether the server was contacted before or not?
Background: I came across a product that claims that it can identify whether you have contacted a mail server via some e… Continue reading By sending an email to a server, can you identify whether it was contacted before?

Anything wrong with using IMAP as authentication for a web app to achieve a kind of easy SSO?

The idea would be to wrap a server-side IMAP client in a wrapper that transforms IMAP authentication into a web API for authentication (maybe OAuth?). When the back-end application receives credentials, it then passes them onto IMAP withou… Continue reading Anything wrong with using IMAP as authentication for a web app to achieve a kind of easy SSO?