问题 提问于 2017年1月25日
I have recently changed from using a POP3 account o an IMAP account to enable me to see my emails both from my cell phone and from my desktop PC.
I need to keep the old POP3 account for historical purposes.
90%+ of the time when I send an email it will be stored correctly in the IMAP sent items folder. Occasionally however it is stored in the old POP3 sent items folder (with no copy in the corresponding IMAP folder).
How can I prevent this happening?
Thank you
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