Mail

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 32 32"
>
    <linearGradient
        id="a"
        x1="16.25"
        x2="15.75"
        y1="-.004"
        y2="31.996"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#08c8f6" />
        <stop offset="1" stop-color="#4d5dfb" />
    </linearGradient>
    <rect
        width="29.5"
        height="29.5"
        x="1.25"
        y="1.25"
        fill="url(#a)"
        rx="4.95"
    />
    <g fill="#fff" fill-rule="evenodd">
        <path
            d="M25.25 11.1v9.8a1.351 1.351 0 0 1-1.35 1.35H8.1a1.351 1.351 0 0 1-1.35-1.35v-9.8A1.351 1.351 0 0 1 8.1 9.75h15.8a1.351 1.351 0 0 1 1.35 1.35zm1.5 0a2.851 2.851 0 0 0-2.85-2.85H8.1a2.851 2.851 0 0 0-2.85 2.85v9.8a2.851 2.851 0 0 0 2.85 2.85h15.8a2.851 2.851 0 0 0 2.85-2.85z"
        />
        <path
            d="m9.2 12.636 6.4 4a.75.75 0 0 0 .795 0l6.4-4A.75.75 0 0 0 22 11.364l-6 3.752-6-3.752a.75.75 0 0 0-.8 1.272z"
        />
    </g>
</svg>