1. AC Question's Avatar
    When I'm connected to my work's WiFi network, GMail and Google contacts fail to sync, saying that I have no connection. This doesn't happen on my home WiFi, nor on a WiFi hotspot in my office building.

    On my work WiFi, I can browse http and https, and other Google apps sync just fine (e.g., Calendar, Drive, Docs, Sheets, News & Weather).

    I'm assuming that the firewall at work is blocking some port(s) that GMail needs, but I can't find anything to tell me what ports GMail uses.

    Verizon Galaxy S7, Android 7.0
    08-11-2017 05:11 PM

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