The recipient has the same or a similar name as a person in the sender's Microsoft 365 organization with whom the sender has a strong relationship. However, the recipient belongs to a different organization.

The email is addressed to a group of recipients with
whom the sender has a strong relationship, as well as to an additional recipient.

The email is addressed to a group of recipients with
whom the sender has a strong relationship. However, this email is missing a recipient who is usually part of the group.

The email is addressed to a group of recipients with
whom the sender has a strong relationship. However, in this email, a recipient who is normally part of the group has been replaced by another recipient.

1. The email is addressed to multiple recipients, all of whom belong to the same organization, and to one additional recipient who belongs to a different organization than the other recipients.
   
   
2. The email is addressed to a recipient with a private email address.
   
   

This email has the same context as other emails
the sender has sent in the past. However, this email
is addressed to a different recipient than usual.

Note: To determine the context, the words from the subject of this email are compared to the words from the subjects of past
emails.

The email is addressed to a distribution list.

Note: The sender is informed about the minimum number of recipients the distribution list contains. An exact number of recipients cannot be  specified, because it is not checked whether this  distribution list itself contains further distribution lists as recipients. 

• Credit card information
• IBAN numbers
• Social security numbers
• Passport numbers
• Identity card numbers

Note: Since this information varies from country to
country, it is not identified equally for all countries. To avoid bothering the sender with false warnings, these are only issued if it can be determined with a high degree of certainty that the information is sensitive.

The email may contain inappropriate expressions,
e.g. violent, insulting, racist or sexually connotated
expressions.

Note: Emails are checked for inappropriate expressions in the languages German, English, Spanish (coming soon) and French (coming
soon). It does not matter in which language an email was written.

The email is addressed to a recipient who belongs
to a different organization than the sender and with
whom the sender has never communicated by email. This also applies if the domain is not private.

Note: This warning is issued only for newly created or forwarded emails.