diff --git a/app/mailers/user_mailer.rb b/app/mailers/user_mailer.rb
index 544eb81..a51ffee 100644
--- a/app/mailers/user_mailer.rb
+++ b/app/mailers/user_mailer.rb
@@ -8,44 +8,6 @@ class UserMailer < ActionMailer::Base
 
 	default from: "Bike!Bike! <noreply@bikebike.org>"
 
-	# Subject can be set in your I18n file at config/locales/en.yml
-	# with the following lookup:
-	#
-	#   en.user_mailer.activation_needed_email.subject
-	#
-	def activation_needed_email(email_address)
-		@greeting = "Hi"
-
-		mail to: email_address
-	end
-
-	# Subject can be set in your I18n file at config/locales/en.yml
-	# with the following lookup:
-	#
-	#   en.user_mailer.activation_success_email.subject
-	#
-	def activation_success_email
-		@greeting = "Hi"
-
-		mail to: "to@example.org"
-	end
-
-    def conference_registration_email(conference, data, conference_registration)
-        @data = data
-        @conference = conference
-        @url = "https://bikebike.org"#UserMailer.default_url_options[:host]
-        @confirmation_url = UserMailer.default_url_options[:host] + "/#{@conference.url}/register/confirm/#{conference_registration.confirmation_token}/".gsub(/\/\/+/, '/')
-        mail to: data[:email], subject: (I18n.t 'register.email.registration.subject',"Please confirm your registration for #{conference.title}", vars: {:conference_title => conference.title})
-    end
-
-	def conference_registration_confirmed_email(conference, data, conference_registration)
-		@data = data
-		@conference = conference
-		@url = "https://bikebike.org"#UserMailer.default_url_options[:host]
-		@confirmation_url = UserMailer.default_url_options[:host] + "/#{@conference.url}/register/pay-registration/#{conference_registration.confirmation_token}/".gsub(/\/\/+/, '/')
-		mail to: data[:email], subject: (I18n.t 'register.email.registration_confirmed.subject',"Thanks for confirming your registration for #{conference.title}", vars: {:conference_title => conference.title})
-	end
-
 	def email_confirmation(confirmation)
 		@confirmation = confirmation
 		@subject = _'email.subject.confirm_email','Please confirm your email address'
@@ -53,9 +15,9 @@ class UserMailer < ActionMailer::Base
 	end
 
 	def registration_confirmation(registration)
-		@registration = registration
-		@conference = Conference.find(@registration.conference_id)
-		@user = User.find(@registration.user_id)
+		@registration = ConferenceRegistration.find(registration)
+		@conference = @registration.conference
+		@user = @registration.user
 		@subject = @conference.registration_status.to_sym == :pre ?
 			_(
 				'email.subject.pre_registration_confirmed',
@@ -72,17 +34,18 @@ class UserMailer < ActionMailer::Base
 	def broadcast(host, subject, content, user, conference)
 		@host = host
 		@content = content
-		@banner = nil#(@host || 'http://localhost/') + (conference ? (conference.poster.preview.url || '') : image_url('logo.png'))
+		@banner = nil
+		@conference = Conference.find(conference)
+		@user = Conference.find(user) if user.present?
 		@subject = "[#{conference ? conference.title : 'Bike!Bike!'}] #{subject}"
-		if user && user.named_email
-			email = user.named_email
-			mail to: email, subject: @subject
+		if @user && @user.named_email
+			mail to: @user.named_email, subject: @subject
 		end
 	end
 
 	def workshop_facilitator_request(workshop, requester, message)
-		@workshop = workshop
-		@requester = requester
+		@workshop = Workshop.find(workshop)
+		@requester = User.find(requester)
 		addresses = []
 		@workshop.active_facilitators.each do |f|
 			addresses << f.named_email
@@ -96,9 +59,9 @@ class UserMailer < ActionMailer::Base
 	end
 
 	def workshop_facilitator_request_approved(workshop, user)
-		@workshop = workshop
+		@workshop = Workshop.find(workshop)
 		@conference = Conference.find(@workshop.conference_id)
-		@user = user
+		@user = User.find(user)
 		@subject = (_'email.subject.workshop_request_approved',
 					"You have been added as a facilitator of #{@workshop.title}",
 					:vars => {:workshop_title => @workshop.title})
@@ -106,9 +69,9 @@ class UserMailer < ActionMailer::Base
 	end
 
 	def workshop_facilitator_request_denied(workshop, user)
-		@workshop = workshop
-		@conference = Conference.find(@workshop.conference_id)
-		@user = user
+		@workshop = Workshop.find(workshop)
+		@conference = @workshop.conference
+		@user = User.find(user)
 		@subject = (_'email.subject.workshop_request_denied',
 					"Your request to facilitate #{@workshop.title} has been denied",
 					:vars => {:workshop_title => @workshop.title})
@@ -116,12 +79,12 @@ class UserMailer < ActionMailer::Base
 	end
 
 	def workshop_translated(workshop, data, locale, user, translator)
-		@workshop = workshop
+		@workshop = Workshop.find(workshop)
 		@data = data
 		@locale = locale
 		@locale_name = language_name(locale)
-		@user = user
-		@translator = translator
+		@user = User.find(user)
+		@translator = User.find(translator)
 		@subject = (_'email.subject.workshop_translated',
 					"The #{@locale_name} translation for #{@workshop.title} has been modified",
 					vars: {language: @language_name, workshop_title: @workshop.title})
@@ -139,10 +102,10 @@ class UserMailer < ActionMailer::Base
 	end
 
 	def workshop_original_content_changed(workshop, data, user, translator)
-		@workshop = workshop
+		@workshop = Workshop.find(workshop)
 		@data = data
-		@user = user
-		@translator = translator
+		@user = User.find(user)
+		@translator = User.find(translator)
 		@subject = (_'email.subject.workshop_original_content_changed',
 					"Original content for #{@workshop.title} has been modified",
 					vars: {workshop_title: @workshop.title})
@@ -160,9 +123,9 @@ class UserMailer < ActionMailer::Base
 	end
 
 	def workshop_comment(workshop, comment, user)
-		@workshop = workshop
+		@workshop = Workshop.find(workshop)
 		@comment = comment
-		@user = user
+		@user = User.find(user)
 
 		if comment.reply?
 			@subject = (_'email.subject.workshop_comment.reply', vars: { user_name: comment.user.name })
@@ -180,20 +143,20 @@ class UserMailer < ActionMailer::Base
 		@exception = exception
 		@request = request
 		@params = params
-		@user = user
+		@user = User.find(user)
 		mail to: 'goodgodwin@hotmail.com', subject: @subject
 	end
 
 	def contact(from, subject, message, email_list)
 		@message = message
-		@from = from
+		@from = from.is_a?(Integer) ? User.find(from) : from
 
 		mail to: email_list.join(', '), subject: @subject, reply_to: from.is_a?(User) ? from.named_email : from
 	end
 
 	def contact_details(from, subject, message, request, params)
 		@message = message
-		@from = from
+		@from = from.is_a?(Integer) ? User.find(from) : from
 		@request = request
 		@params = params
 
diff --git a/app/views/user_mailer/contact_details.html.haml b/app/views/user_mailer/contact_details.html.haml
index c1248f9..1c48094 100644
--- a/app/views/user_mailer/contact_details.html.haml
+++ b/app/views/user_mailer/contact_details.html.haml
@@ -14,13 +14,13 @@
 		%td=@from.is_a?(User) ? @from.email : @from
 	%tr
 		%td IP Address
-		%td=@request.remote_ip
+		%td=@request['remote_ip']
 	%tr
 		%td UUID
-		%td=@request.uuid
+		%td=@request['uuid']
 	%tr
 		%td URL
-		%td=@request.original_url 
+		%td=@request['original_url'] 
 
 %h1 Message
 %blockquote=markdown(@message)
@@ -32,15 +32,15 @@
 		%th Value
 	- @params.each do | key, value |
 		%tr
-			%td=key.to_s
-			%td=value.to_s
+			%td=key
+			%td=value
 
 %h1 Request Environment
 %table.error-report
 	%tr
 		%th Key
 		%th Value
-	- @request.env.each do | key, value |
+	- @request['env'].each do | key, value |
 		%tr
-			%td=key.to_s
-			%td=value.to_s
\ No newline at end of file
+			%td=key
+			%td=value
\ No newline at end of file
diff --git a/app/views/user_mailer/error_report.html.haml b/app/views/user_mailer/error_report.html.haml
index 8c2ca0f..8ff2302 100644
--- a/app/views/user_mailer/error_report.html.haml
+++ b/app/views/user_mailer/error_report.html.haml
@@ -21,13 +21,13 @@
 		%td=@user.present? ? @user.email : ''
 	%tr
 		%td IP Address
-		%td=@request.remote_ip
+		%td=@request['remote_ip']
 	%tr
 		%td UUID
-		%td=@request.uuid
+		%td=@request['uuid']
 	%tr
 		%td URL
-		%td=@request.original_url 
+		%td=@request['original_url'] 
 
 %h1 Params
 %table.error-report
@@ -36,15 +36,15 @@
 		%th Value
 	- @params.each do | key, value |
 		%tr
-			%td=key.to_s
-			%td=value.to_s
+			%td=key
+			%td=value
 
 %h1 Request Environment
 %table.error-report
 	%tr
 		%th Key
 		%th Value
-	- @request.env.each do | key, value |
+	- @request['env'].each do | key, value |
 		%tr
-			%td=key.to_s
-			%td=value.to_s
\ No newline at end of file
+			%td=key
+			%td=value
\ No newline at end of file