Subject: Out of Office: [Your Name]
Hello,
Thank you for your email. I am currently out of the office on vacation and will not be able to respond until [Date of Return]. During this time, I will have limited access to email.
If your matter is urgent, please contact [Alternative Contact Person] at [Alternative Contact Person’s Email] or [Alternative Contact Person’s Phone Number].
I will do my best to respond to your email as soon as possible upon my return. Thank you for your understanding.
Best regards,
[Your Name]