Error 0X80040201 while sending email

I recently had issues with an outlook error “0X80040201″ and for the life of me I couldn’t fix it.

However after much distress I was able to uncover what the problem was. I recently went from an Exchange 2007 environment to a IMAP environment and hence some of my contacts were corrupted. If I tried to send an email to anyone from my old exchange contact list – the email would fail; hence the error 0X80040201.

Simply creating new contacts in Outlook for the people I wanted to send emails too, fixed this issue!

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