Email Delivery Failed Icon - Visual Indicator for Message Rejection #3637025 (License: Personal Use)

The image features a grayscale envelope icon, stylized with a bold, dark X superimposed over its lower half. The envelope is outlined with a thick stroke and shows a classic triangular flap, while the X is rounded and prominent, conveying strong visual negation. This design is universally recognized in digital interfaces to indicate message failure or cancellation.

Used in email platforms, notification systems, and error dialogs to indicate bounced emails, failed deliveries, or rejected messages; matches user intent to understand why a message wasn’t sent or received.