Subject: Standing order for Q1 (SAMPLE)

From: Maya Chen <[email-masked]>
Date: Wed, 18 Feb 2026 09:00:00 -0800

Sam,

The two lines below exercise mailbox escaping:
>From here on the quoted price is fixed.
>>From a forwarded copy, already escaped once.

Maya

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From: Sam Rivera <[email-masked]>
Date: Wed, 18 Feb 2026 09:30:00 -0800

Confirmed. Sending the invoice to [email-masked] as requested.

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From: Mail Delivery Subsystem <[email-masked]>
Date: Wed, 18 Feb 2026 09:31:00 -0800

Delivery to [email-masked] failed permanently.