Hello {username},
Thank you for joining {website_title}, one last step is required in order to activate your account

<a href='{baseurl}/activation.php?av_username={username}&avcode={avcode}'>Click Here</a>
{baseurl}/activation.php?av_username={username}&avcode={avcode}

Email           : {email}
Username        : {username}
Activation code : {avcode}

if above given is not working , please go here and activate it
<a href='{baseurl}/activation.php'>{baseurl}/activation.php</a>

====================
Regards
{website_title}