[Email Security] Remove redundant suspicious

[Maddy-Cloudflare]

No description provided.

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PR Change Summary

Removed redundant 'SUSPICIOUS' keyword from the email security transport rules configuration.

• Updated transport rules to eliminate the 'SUSPICIOUS' keyword.
• Simplified the conditions for email handling in the security setup.

Modified Files

• src/content/docs/cloudflare-one/email-security/setup/pre-delivery-deployment/prerequisites/m365-email-security-mx/index.mdx

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[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/cloudflare-one/	@ranbel, @cloudflare/pcx-technical-writing

[github-actions]

Preview URL: https://22d5632d.preview.developers.cloudflare.com
Preview Branch URL: https://maddy-email-security-pcx-18273.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/cloudflare-one/email-security/setup/pre-delivery-deployment/prerequisites/m365-email-security-mx/	https://maddy-email-security-pcx-18273.preview.developers.cloudflare.com/cloudflare-one/email-security/setup/pre-delivery-deployment/prerequisites/m365-email-security-mx/