Additional port and protocol informationNext, click the advanced tab where you will have to enter some port and additional protocol information.
Change the Incoming server port to 993 and the associated encryption protocol to SSL. Change the Outgoing server port to 587 and the associated encryption protocol to TLS. Click OK, which should you take you back to the Settings entry screen.
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Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to BreakingModern.com, aNewDomain.net, and TechRepublic.