Revert "FIX: Partial reply key search in email sent logs."

This reverts commit e9b2018bc8.

app/models/email_log.rb

@@ -73,6 +73,10 @@ class EmailLog < ActiveRecord::Base
       .first
   end
 
+  def bounce_key
+    super&.delete('-')
+  end
+
 end
 
 # == Schema Information

app/models/post_reply_key.rb

@@ -8,8 +8,12 @@ class PostReplyKey < ActiveRecord::Base
   validates :user_id, presence: true
   validates :reply_key, presence: true
 
+  def reply_key
+    super&.delete('-')
+  end
+
   def self.generate_reply_key
-    SecureRandom.uuid
+    SecureRandom.hex(16)
   end
 end