Tags for responder messages and mailbursts. These tags are not case sensitive.

Various:
%RespDir%The directory of the responder program.
%SiteURL%URL of your site.
%msg_subject%Subject of the message.
%unsub_msg%Unsubscribe link.

Subscriber info:
%subr_id%Numerical subscriber ID.
%subr_emailaddy%Subscriber's email address.
%subr_firstname%Subscriber's first name.
%subr_lastname%Subscriber's last name.
%subr_firstname_fix%Subscriber's first name, case fixed.
%subr_lastname_fix%Subscriber's last name, case fixed.
%subr_ipaddy%Subscriber's IP address.
%subr_referralsource%Referralsource for this subscriber.
%Subr_JoinedMonthNum%Numerical month that subscriber subscribed.
%Subr_JoinedMonth%Textual month that subscriber subscribed.
%Subr_JoinedYear%Year that subscriber subscribed.
%Subr_JoinedDay%Day that subscriber subscribed
%Subr_LastActiveMonthNum%Numerical month of subscriber's last activity.
%Subr_LastActiveMonth%Textual month of subscriber's last activity.
%Subr_LastActiveYear%Year month of subscriber's last activity.
%Subr_LastActiveDay%Day month of subscriber's last activity.

Custom Fields:
%cf_fieldname% where fieldname is the name of the field in the DB. For instance:
%cf_income%, %cf_city%

Responder Info:
%resp_ownername%Responder Owner's Name
%resp_owneremail%Responder Owner's Email
%resp_replyto%Responder's Reply-To Email
%resp_name%Responder's Name
%resp_desc%Responder's Description
%resp_optinredir%Responder's Opt-In Redirect URL
%resp_optoutredir%Responder's Opt-Out Redirect URL
%resp_optindisplay%Responder's Opt-In Confirmation Page
%resp_optoutdisplay%Responder's Opt-Out Confirmation Page

Date & Time:
%date_today%Today's Date
%date_yesterday%Yesterday's Date
%date_tomorrow%Tommorow's Date
%next_monday%Next Monday's Date
%next_tuesday%Next Tuesday's Date
%next_wednesday%Next Wednesday's Date
%next_thursday%Next Thursday's Date
%next_friday%Next Friday's Date
%next_saturday%Next Saturday's Date
%next_sunday%Next Sunday's Date