https://community.plus.net/t5/Everything-else/Certificate-error-message/m-p/1835196#M27163 <P>Hi,&nbsp;</P> <P>Been with Plusnet for years using Outlook 365 for email. I just bought a new laptop and at the same time I renewed my Bit Defender subscription with a new licence number I bought from Amazon. (I recommend all do this, never respond to Bit D enticing you to renew with them directly as you will pay through the nose).&nbsp;</P> <P>I am now faced with a certificate error message every time I open Outlook stating the target principal name is incorrect and when I view the cert it refers to it as being issued to:&nbsp; Mail.plus.net and issued by Bit Defender.</P> <P>Is this an issue with Plusnet or Bit defender and does anyone know the solution please?</P> <P>&nbsp;</P> <P>Thanks in advance.&nbsp; &nbsp;</P> <P>Nick</P> Fri, 29 Oct 2021 13:38:28 GMT Nickelarse 2021-10-29T13:38:28Z https://community.plus.net/t5/Everything-else/Certificate-error-message/m-p/1835196#M27163 <P>Hi,&nbsp;</P> <P>Been with Plusnet for years using Outlook 365 for email. I just bought a new laptop and at the same time I renewed my Bit Defender subscription with a new licence number I bought from Amazon. (I recommend all do this, never respond to Bit D enticing you to renew with them directly as you will pay through the nose).&nbsp;</P> <P>I am now faced with a certificate error message every time I open Outlook stating the target principal name is incorrect and when I view the cert it refers to it as being issued to:&nbsp; Mail.plus.net and issued by Bit Defender.</P> <P>Is this an issue with Plusnet or Bit defender and does anyone know the solution please?</P> <P>&nbsp;</P> <P>Thanks in advance.&nbsp; &nbsp;</P> <P>Nick</P> Fri, 29 Oct 2021 13:38:28 GMT https://community.plus.net/t5/Everything-else/Certificate-error-message/m-p/1835196#M27163 Nickelarse 2021-10-29T13:38:28Z