Curious behaviour: When I receive an e-mail from Microsoft it is classified as trust level 3. When i change to view another msg and come back it is classified as a trust level 4 (I trust this cert). Then is always shown as trust level 4. If I shutdown Outlook and restart it repeats this behaviour. Outlook 2013 64 bit.
Josep M.
A sample msg from MS:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Title: Microsoft Security Advisory Notification
Issued: February 21, 2020
Security Advisories Released or Updated on February 21, 2020 ======================================================================================
- Microsoft Security Advisory ADV200002
- ADV200002 | Chromium Security Updates for Microsoft Edge based on Chromium
- https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV200002
- Reason for Revision: Updated advisory to announce a new version of Microsoft Edge
(Chromium-based). Please see the table for more information. - Originally posted: January 28, 2020
- Updated: February 21, 2020
- Version: 3.0
======================================================================================
Other Information
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Microsoft does not distribute security updates via email.
The Microsoft Security Response Center (MSRC) uses PGP to digitally sign all security notifications. However, PGP is not required for reading security notifications, reading security bulletins, or installing security updates. You can obtain the MSRC public PGP key at https://technet.microsoft.com/security/dn753714.
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key for MS:
-----BEGIN PGP PUBLIC KEY BLOCK-----
Comment: ID de usuario: Microsoft Security Notifications securitynotifications@e-mail.microsoft.com
Comment: Creado: 31/10/2019 18:09
Comment: Expira: 31/10/2020 18:09
Comment: Tipo: 2048-bit RSA
Comment: Uso: Firmado, Cifrado, ID de la certificación
Comment: Huella digital: 2D341B18A749D00E0D12B60E6CC73355668F7B75
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-----END PGP PUBLIC KEY BLOCK-----