Incoming email settings for a dropoff library & content organizer rules in SharePoint 2013

Question

I have configured an incoming email setting for a drop off library,I need to save original email also.Following are the issues:
1)Two attachments are getting uploaded for an email , Email(.eml file) as well as the attached file .I just want to save the email part as it is already containing the  attachment
2)In Mozilla i can see the popup for for opening the .eml file while in IE it is directly opening in browser ,is it possible to show popup in IE?
3)I want to write content organizer rules depending upon the email subject,but i m not able to find that column

Answer 1

1)Two attachments are getting uploaded for an email , Email as well as the attachment.I just want to save the email part as it is already containing attachment
Inder: When you set the incoming email, you get option to save only email and not attachment. check the incoming email settings on that library. 
2)In Mozilla I can see the following popup when i click on the email,I want to have this functionality on internet explorer.
Inder : You can do that
http://office.microsoft.com/en-in/sharepoint-server-help/change-how-to-open-a-document-in-a-library-with-one-click-HA101729873.aspx
Also enable below feature
lick the gear icon to open Settings, and then click Site settings.
Click Site collection features.
Note If the Site collection features option isn't present, you must first click
Go to top level site settings.
Locate the Open Documents in Client Applications by Default feature in the list, and then click
Activate.
3)I want to write content organizer rules depending upon the email subject,but i m not able to find that column
I assume, Email subject should by default become title of that document. Try title
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