Vector mail icon
Here are a few vector mail icon designs:
1. Simple Envelope Icon
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="2" y="2" width="20" height="20" rx="2" fill="none" stroke="currentColor" stroke-width="2"></rect>
<path d="M10 12L14 16L18 12" stroke="currentColor" stroke-width="2"></path>
</svg>
2. Mailbox Icon
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="2" y="2" width="20" height="20" rx="2" fill="none" stroke="currentColor" stroke-width="2"></rect>
<path d="M10 12L14 16L18 12" stroke="currentColor" stroke-width="2"></path>
<path d="M10 4L14 8L18 4" stroke="currentColor" stroke-width="2"></path>
</svg>
3. Email Icon with Arrow
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="2" y="2" width="20" height="20" rx="2" fill="none" stroke="currentColor" stroke-width="2"></rect>
<path d="M10 12L14 16L18 12" stroke="currentColor" stroke-width="2"></path>
<path d="M10 4L14 8L18 4" stroke="currentColor" stroke-width="2"></path>
<path d="M12 12L16 16" stroke="currentColor" stroke-width="2"></path>
</svg>
4. Envelope with Stamp Icon
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="2" y="2" width="20" height="20" rx="2" fill="none" stroke="currentColor" stroke-width="2"></rect>
<path d="M10 12L14 16L18 12" stroke="currentColor" stroke-width="2"></path>
<path d="M10 4L14 8L18 4" stroke="currentColor" stroke-width="2"></path>
<path d="M12 12L16 16" stroke="currentColor" stroke-width="2"></path>
<path d="M12 12L14 14" stroke="currentColor" stroke-width="2"></path>
</svg>
These are just a few examples of vector mail icon designs. You can customize them to fit your specific needs and style.