how to upload Files to Alfresco via Email?

I wanted to upload files via email in Alfresco. I am using alfresco community 5.2 I have added inbound email properties in alfresco-global.properties file and i have followed all the steps and I sent an email as explained in below links But I am not able to receive any files in my alfresco

I have referred the links

https://www.youtube.com/watch?v=p17GkHsLdmc

http://keytocontent.blogspot.in/2010/05/upload-files-to-alfresco-via-email.html

Steps I have followed 1. set the properties in global properties

email.inbound.enabled=true
email.server.enabled=true
email.server.port=25
email.server.domain=vikash-laptop.com
email.inbound.unknownUser=anonymous
email.server.allowed.senders=.*

created a user named as hello1 email id=> [email protected] added this user into EMAIL_Contributors group
Created a site named as test site created a folder in Document Library>>Dropoff and applied aspect email aliasable added alias properties as dropoff so the my email address will be [email protected]

tried to send email to [email protected] and [email protected] both

Still i am not receiving any files which i have attached in email.

Solution

I have downloaded smtp mail sender and it is working. and now i am able to receive email attachments in alfresco.