The problem with this is that emails are a User variable and not included or searchable when listing Profiles. You'll have to list users instead and link to their profiles with template manipulation. Try this -
{capture name="emails_tpl" assign="emails_tpl"}
{literal}
<div class="container">
{if isset($_items)}
{foreach from=$_items item="item"}
{if $item@first || ($item@iteration % 2) == 1}
<div class="row">
{/if}
<div class="col6{if $item@last || ($item@iteration % 2) == 0} last{/if}">
{$profile_url = jrCore_db_get_item_key('jrProfile', $item['_profile_id'], 'profile_url')}
<a href="{$jamroom_url}/{$profile_url}">{jrCore_module_function function="jrImage_display" module="jrUser" type="user_image" item_id=$item._user_id size="large" crop="portrait" class="img_scale" style="margin:0" alt="@`$item.user_name`" title="@`$item.user_name`"}</a>
</div>
{if $item@last || ($item@iteration % 2) == 0}
</div>
{/if}
{/foreach}
{/if}
</div>
{/literal}
{/capture}
{$search_domain = 'gmail.com'}
{jrCore_list module="jrUser" search="user_email LIKE %`$search_domain`%" template=$emails_tpl}
This code displays returned users side by side whose email domain is gmail.com.
hth
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Paul Asher - JR Developer and System Import Specialist
updated by @paul: 01/17/16 03:12:12AM