We have 2 pgp mails (recently sent from e. tester to ted), which display smime icons in outlook.
Outlook web displays signed/encrypted icons and additionally the labels.
It's unclear, how this state occured:

classic	web

I downloaded the eml/msg files from outlook web to compare (they have a different structure):

• ted:INBOX/test sign only with att (Di 14.07.26 15:57)
  
  
  1_BUG_test-sign-only-wiht-att.eml6 KBDownload
  1_BUG_test-sign-only-with-att.msg71 KBDownload

• ted:INBOX/test encrypt only + att (Di 14.07.26 15:59)
  
  
  2_BUG_test-encrypt-only-att.eml42 KBDownload
  2_BUG_test-encrypt-only-att.msg106 KBDownload

I also sent such mails to compare (which are OK)

• ted:INBOX/pgp signed unencrypted pdfattached (Do 16.07.26 14:46)
  
  
  1_OK_pgp-signed-unencrypted-pdfattached.eml56 KBDownload
  1_OK_pgp-signed-unencrypted-pdfattached.msg107 KBDownload

• ted:INBOX/pgp unsigned encrypted pdfattached (Do 16.07.26 14:47)
  
  
  2_OK_pgp-unsigned-encrypted-pdfattached.eml57 KBDownload
  2_OK_pgp-unsigned-encrypted-pdfattached.msg108 KBDownload