diff --git a/app/helpers/admin/epaper_helper.rb b/app/helpers/admin/epaper_helper.rb
index ccde8f0..0a8bfda 100644
--- a/app/helpers/admin/epaper_helper.rb
+++ b/app/helpers/admin/epaper_helper.rb
@@ -23,8 +23,8 @@ module Admin::EpaperHelper
         topics_data = Array(topics).compact
         papers_data << {
           "category_title" => (category.title rescue nil),
-          "category" => category,
-          "topics" => topics_data
+          "category_id" => category.id,
+          "topic_ids" => topics_data.map{|t| t.id}
         }
       end
     end
diff --git a/app/views/admin/e_paper_criterias/emailer.html.erb b/app/views/admin/e_paper_criterias/emailer.html.erb
index 5fa3393..46c9610 100644
--- a/app/views/admin/e_paper_criterias/emailer.html.erb
+++ b/app/views/admin/e_paper_criterias/emailer.html.erb
@@ -169,8 +169,8 @@
 
 		<div class="ep-content">
 			<% papers_data.each do |papers_data_hash| %>
-				<h3 class="category_title"><a class="category_title_link" href="<%=page + "/#{paper.to_param}?method=topics&category=#{papers_data_hash["category"].id}" %>" style="color: #fff;text-decoration: none;"><%= papers_data_hash["category_title"] %></a></h3>
-				<% topics = papers_data_hash["topics"] %>
+				<h3 class="category_title"><a class="category_title_link" href="<%=page + "/#{paper.to_param}?method=topics&category=#{papers_data_hash["category_id"].nil? ? papers_data_hash["category"].id : papers_data_hash["category_id"]}" %>" style="color: #fff;text-decoration: none;"><%= papers_data_hash["category_title"] %></a></h3>
+				<% topics = (papers_data_hash["topic_ids"].nil? ? papers_data_hash["topics"] : EPaperTopic.where(:id.in=>papers_data_hash["topic_ids"]).to_a) %>
 				<% topics.each do |topic| %>
 					<div class="ep-content-item">
 						<a class="ep-content-title" href="<%= page + "/" + topic.to_param %>" target="_blank"><%= topic.title %></a>
diff --git a/lib/tasks/e_paper_tasks.rake b/lib/tasks/e_paper_tasks.rake
index 982f048..db443b9 100644
--- a/lib/tasks/e_paper_tasks.rake
+++ b/lib/tasks/e_paper_tasks.rake
@@ -1,7 +1,11 @@
 # desc "Explaining what the task does"
 namespace :epaper do 
 	task :send_email, [:paper_criteria_id, :domain, :locale] => :environment do |task,args|
-    paper = PaperCriteria.find(args[:paper_criteria_id]) rescue nil
+	    require 'net/protocol'
+		require 'timeout'
+	    require 'net/smtp'
+	    require 'openssl'
+    	paper = PaperCriteria.find(args[:paper_criteria_id]) rescue nil
 		page = Page.where(:module => "e_paper").first.url rescue ""
 		papers_data = Admin::EpaperHelper.get_paper_data(paper)
 		domain = args[:domain]
@@ -22,16 +26,37 @@ namespace :epaper do
 			paper.send_failed_emails = []
 			Thread.new do
 				tmp = []
+				site = Site.first
+				@address = site['site_settings']['address']
+				@port = (site['site_settings']['port'].to_i rescue 587)
+				@open_timeout = 30
+				@read_timeout = 60
+				@debug_output = nil
+				tls = (site['site_settings']['enable_starttls_auto'] == "1")
+		        from_addr = site['site_settings']['service_email']
 				emails_valid.each_slice(mail_limit).each do |slice_emails|
-					email = Email.new(:mail_subject => paper.sending_title, :mail_lang => args[:locale], :template => "admin/e_paper_criterias/emailer", :template_data => {"paper_id" => paper.id, "page" => "http://" + domain + page, "siteurl" => "http://" + domain, "papers_data" => papers_data }, :mail_to => slice_emails.join(","))
+					invalid_mails = verify_email(from_addr,slice_emails,tls)
+					deliver_emails = slice_emails - invalid_mails
+					email = Email.new(:mail_subject => paper.sending_title, :mail_lang => args[:locale], :template => "admin/e_paper_criterias/emailer", :template_data => {"paper_id" => paper.id, "page" => "http://" + domain + page, "siteurl" => "http://" + domain, "papers_data" => papers_data }, :mail_to => deliver_emails)
 					begin
 						email.save
 						email.deliver
-						puts "Sending #{slice_emails.count} emails"
+						puts "Sending #{deliver_emails.count} emails"
 					rescue => e
-						puts [slice_emails.inspect,e,e.backtrace]
-						tmp += slice_emails
+						puts [deliver_emails.inspect,e,e.backtrace]
+						tmp += deliver_emails
 					end
+					error_flag = 0
+					begin
+						invalid_mails.each do |invalid_mail|
+							email = Email.create(:mail_subject => paper.sending_title, :mail_lang => args[:locale], :template => "admin/e_paper_criterias/emailer", :template_data => {"paper_id" => paper.id, "page" => "http://" + domain + page, "siteurl" => "http://" + domain, "papers_data" => papers_data }, :mail_to => invalid_mail)
+						end
+					rescue => e
+						puts [e,e.backtrace]
+						error_flag = 1
+					end
+					raise "There was something went wrong." if error_flag == 1
+					tmp += invalid_mails
 				end
 				paper.update_attributes(:send_failed_emails => tmp)
 			end
@@ -40,3 +65,78 @@ namespace :epaper do
 		end
 	end
 end
+def verify_email(from_addr,check_emails,tls) #true if check_email is ok
+	s = Timeout.timeout(@open_timeout, Net::OpenTimeout) do
+		TCPSocket.open(@address, @port)
+	end
+	@socket = new_internet_message_io(tls ? tlsconnect(s) : s)
+    res = get_response("MAIL FROM:<#{from_addr}>")
+    invalid_emails = []
+    check_list = []
+    if check_emails.class == String
+    	if check_emails.include?(",")
+    		check_list = check_emails.split(",")
+    	else
+    		check_list << check_emails
+    	end
+    else
+    	check_list = check_emails
+    end
+    check_list.each do |check_email|
+		res1 = get_response("RCPT TO:<#{check_email}>")
+		res2 = get_response("RCPT TO:<#{check_email}>")
+		if !(res1.success? && res2.success?)
+			invalid_emails << check_email
+			puts [check_email,res1.message,res2.message]
+		end
+	end
+	s.close
+	invalid_emails
+end
+def get_response(reqline)
+    res = critical {
+        @socket.writeline reqline
+        recv_response()
+    }
+    return res
+end
+def recv_response
+    buf = ''
+    while true
+       line = @socket.readline
+       buf << line << "\n"                                                                                   
+       break unless line[3,1] == '-'   # "210-PIPELINING"
+    end
+    Net::SMTP::Response.parse(buf)
+end
+def critical
+ return Net::SMTP::Response.parse('200 dummy reply code') if @error_occurred
+ begin
+   return yield()
+   rescue Exception
+     @error_occurred = true
+   raise 
+ end
+end
+def ssl_socket(socket, context)
+  OpenSSL::SSL::SSLSocket.new socket, context
+end
+def tlsconnect(s)
+    verified = false
+    s = ssl_socket(s, @ssl_context)
+    s.sync_close = true
+    s.connect
+    if @ssl_context.verify_mode != OpenSSL::SSL::VERIFY_NONE
+      s.post_connection_check(@address)
+    end
+    verified = true
+    s
+    ensure
+    s.close unless verified
+end
+def new_internet_message_io(s)
+    io = Net::InternetMessageIO.new(s)
+    io.read_timeout = @read_timeout
+    io.debug_output = @debug_output
+    io
+end
\ No newline at end of file