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I am attempting to use Outlook on my android phone. When I attempt to add my email account to outlook (on my phone) I get an error that says: Your mail certificate is invalid. Would you like to login anyway. PLEASE HELP!!!!
Using Outlook for Android in business environments for email and scheduling
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Did not solve it for me either, but Microsoft know, as I have been writing to them and given them the settings for my ISP.
I have also tried rebooting servers and phones, no luck.
Is anyone else having issues with the iPhone native email client? It started last night for us, users are complaining about their messages downloading over and over and re-syncing their inbox.
there's no solution yet.
the only workarround is using native device mail apps
neither in my case.
tried that - no luck