Mail

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#00b59c" />
        <stop offset="1" stop-color="#9cffac" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="m322.354 136.688-36.555-5.312-16.348-33.125a15 15 0 0 0-26.902 0l-16.348 33.125-36.555 5.312a15 15 0 0 0-8.313 25.585l26.451 25.784-6.244 36.407a15.002 15.002 0 0 0 21.765 15.813L256 223.088l32.695 17.189a15 15 0 0 0 21.765-15.813l-6.244-36.407 26.451-25.784a14.999 14.999 0 0 0-8.313-25.585zm-44.726 35.392a14.999 14.999 0 0 0-4.313 13.277l2.439 14.223-12.773-6.715a14.994 14.994 0 0 0-13.96 0l-12.773 6.715 2.439-14.223a14.999 14.999 0 0 0-4.313-13.277l-10.334-10.073 14.281-2.075a15.002 15.002 0 0 0 11.294-8.206L256 138.784l6.387 12.941a15.002 15.002 0 0 0 11.294 8.206l14.281 2.075zM437 422h-30c-8.284 0-15 6.716-15 15s6.716 15 15 15h30c8.284 0 15-6.716 15-15s-6.716-15-15-15zm30-240h-46V15c0-8.284-6.716-15-15-15H106c-8.284 0-15 6.716-15 15v167H45c-24.813 0-45 20.187-45 45v240c0 24.813 20.187 45 45 45h422c24.813 0 45-20.187 45-45V227c0-24.813-20.187-45-45-45zM121 30h270v272H121zm361 437c0 8.271-6.729 15-15 15H45c-8.271 0-15-6.729-15-15V227c0-8.271 6.729-15 15-15h46v68.787l-4.394-4.394c-5.857-5.858-15.355-5.858-21.213 0s-5.858 15.355 0 21.213l29.997 29.998A15.1 15.1 0 0 0 106 332h300c4.114 0 7.958-1.743 10.609-4.396l29.998-29.998c5.858-5.858 5.858-15.355 0-21.213-5.857-5.858-15.355-5.858-21.213 0L421 280.787V212h46c8.271 0 15 6.729 15 15z"
    />
</svg>