The PrimarySmtpAddressType complex type specifies a
primary SMTP address. This
type extends the NonEmptyStringType (section 2.2.5.20).<72>
-
<xs:complexType name="PrimarySmtpAddressType">
<xs:simpleContent>
<xs:extension base="t:NonEmptyStringType"/>
</xs:simpleContent>
</xs:complexType>