social/portal_welcome_email_template/data/email_template_data.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
<data>

<record id="portal_welcome_email" model="email.template">
    <field name="name">Portal Welcome Email</field>
    <field name="email_from">${object.company_id.name}&lt;${object.company_id.email}&gt;</field>
    <field name="subject">Your account at ${object.company_id.name}</field>
    <field name="email_to">${object.email}</field>
    <field name="lang">${object.lang}</field>
    <field name="model_id" ref="base.model_res_users"/>
    <field name="auto_delete" eval="True"/>
    <field name="body_html">
        <![CDATA[
<p>Dear ${object.name},&nbsp;</p>
<p>You have been given access to ${object.company_id.name}'s ${ctx['portal']}.</p>
<p>Your login account data is:</p>
<blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;">
    <div>
        Username: <strong>${ctx['login']}</strong>&nbsp;
    </div>
    <div>
        Portal: ${ctx['portal_url']}&nbsp;
    </div>
    <div>
        Database: ${ctx['db']}&nbsp;
    </div>
</blockquote>
<br/>
You can set or change your password via the following url:<br/>
${ctx['signup_url']}<br/>
<p>${ctx['welcome_message']}</p>
<pre>
--
Automatic Email.
${object.company_id.name or ''}
</pre>]]>
    </field>
</record>
</data>
</openerp>