Anyone know how to change server name in the Enter Network Password dialog box?

JoanReeves

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Dec 12, 2013
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Running Outlook 2010, Windows 7. No longer can send or receive email with new AT&T settings.

Account originally set up with pop.sbcglobal.yahoo.com as server name.

AT&T/Yahoo changed server name and all settings with recent upgrades. All my Outlook settings for inbound and outbound have been changed to what AT&T says it must have but server name is by default and I can't change it. Can't send or receive email through Outlook now.

AT&T says they don't know how to change the server name.

Anyone know how to accomplish this?