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Ehsan DevEhsan Dev 

UNICODE Symbols do not show up in Visualforce email template

I am trying to use 📧 for 📧 symbol in the html body of a VF email template, but the result rendered template does not show up the symbol at all. 📞 &128222; and 💻 💻 have the same issue.
 
<span style="text-align: left; color: black;  font-family: Segoe UI Symbol; font-size: 9.0pt; margin-top: 1em; margin-bottom: 1em;">
    {!$User.Title}
        <br></br>
   &#128231; <a href="mailto:{!$User.Email}">{!$User.Email}</a> <br></br>
   &#128222; (123) 456-{!$User.Extension} <br></br>
   &#128187; <a href="http://www.google.com">www.google.com</a> <br></br>
               </span>