MAC OS Mail App – How to fix Connection Insecure – Failed to verify the server certificate.




About this tutorial:

Video duration: 1:39
This video shows you how to fix Connection Insecure – Failed to verify the server certificate Issue in Mac OS mail application.

Post Author: OfficeTutes.com

Apple lover, ICT and LEAN consultant, MS Office lecturer My other website with video tutorials - Tutorials, guides and news for iPhones and iPads

18 thoughts on “MAC OS Mail App – How to fix Connection Insecure – Failed to verify the server certificate.

    Tephen Dumas

    (August 12, 2018 - 3:26 am)

    I have the same issue but only with Facebook. Can someone help me fix it?

    Robert Haas

    (August 12, 2018 - 3:26 am)

    Tried everything!!! Would have never figured this out on my own. A million thanks!!!

    mrsthebigwhit

    (August 12, 2018 - 3:26 am)

    Thank you, thank you, thank you!!!!!!!!!!!!

    kimura bonsa

    (August 12, 2018 - 3:26 am)

    THANK YOU SO MUCH!!!

    Ryan Woodfield

    (August 12, 2018 - 3:26 am)

    You are amazing thank you!

    tisay86100

    (August 12, 2018 - 3:26 am)

    Thank you!!!

    Harsh Vardhan

    (August 12, 2018 - 3:26 am)

    worked for me! Thanks

    Christina Pires

    (August 12, 2018 - 3:26 am)

    Worked perfectly. Thank you!

    Eric Niee

    (August 12, 2018 - 3:26 am)

    Thanks man, work like a charm

    Smoked Coconut

    (August 12, 2018 - 3:26 am)

    Thank you!

    K. srvHs

    (August 12, 2018 - 3:26 am)

    Thank you!

    AlaaEldin Koraiem

    (August 12, 2018 - 3:26 am)

    I had the same issue and it made me really crazy, I found out it is because I have Adguard installed before I configure my mail so it prevented connecting to google! I don't know why so I disabled it and I setup my mail agent and it connected flawlessly then I enabled it again and it still working fine. Thanks for your hints as I did't think about Adguard at all, but when I saw your video disabling Antivirus I thought about Adguard.

    Sara Bernard

    (August 12, 2018 - 3:26 am)

    THANK YOU!!!! GEEZ!!! Haven't gotten my email in days! THANK YOU!!!

    Tom5577

    (August 12, 2018 - 3:26 am)

    Nope. Didn't work.

    Pimphand Gamester

    (August 12, 2018 - 3:26 am)

    no expired certs but still have issue. Also no Antivirus, nothing on my system has changed, issue just started one day.

    Chris Jimenez

    (August 12, 2018 - 3:26 am)

    You rock!

    DataJournalism

    (August 12, 2018 - 3:26 am)

    Thanks so much. really appreciate you doing this.

    shauna0507

    (August 12, 2018 - 3:26 am)

    This was soo much help! Thank you

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