Have you asked your hosts about this? Usually emails are sent from wordpress@your_site.com.
i think is from the skin i use,they have some special settings in ti,like:
Legend :
[#to_name#] : Name of the recipient.
[#site_name#] : Site name as you provided in General Settings
[#site_login_url#] : Site's login page URL
[#user_login#] : Recipient's login ID
[#user_password#] : Recepient's password
[#site_login_url_link#] : Site login page link
[#post_date#] : Date of post
[#information_details#] : Information details of place/event.
[#transaction_details#] : Transaction details of place/event.
[#frnd_subject#] : Subject for the email to the recipient.
[#frnd_comments#] : Comment for the email to the recipient.
[#your_name#] : Sender's name
[#submited_information_link#] : URL of the detail page
[#payable_amt#] : Payable amount
[#bank_name#] : Bank name
[#account_number#] : Account number
[#submition_Id#] : Submission ID
or the registration email has this:
<p>Dear [#user_name#],</p>
<p>You can log in with the following information:</p><p>Username: [#user_login#]</p><p>Password: [#user_password#]</p>
<p>You can login from [#site_login_url#] or the URL is : [#site_login_url_link#] .</p><br><p>We hope you enjoy, Thanks!</p>
<p>[#site_name#]</p>
Assuming you mean the theme, I can only suggest that you contact the theme’s developers.
What’s the name of the theme?
