1. pdf@koolwire.com - You have an Office document or a picture on your computer or mobile phone that you wish to convert into a PDF file. Just email that file an email attachment to the above address and it will soon return to your Inbox as a PDF file. [koolwire review]
2.@photos.flickr.com - Flickr provides a unique email upload address here - you can send your photographs to this email address as attachments and they'll show up in Flick Photo gallery almost instantly. The subject line of email becomes the photo's title while the body of the email becomes the photo's description.
3. e@xpenser.com - This is like filling data in a travel spreadsheet through email. You can use this address to gather and record your travel expenses while on the road. [xpenser review]
4. go@blogger.com - You can use this address to post pictures on any Blogger hosted blog. Any picture that you send to this email address will appear as a new blog post in your mobile blog. You can also use this service to post regular text entries to your Blogspot blog. In that case, the "Send to Blogger" email address is available under Blogger Dashboard.
5.upload@upload.slideshare.net - If you have (one or more) PowerPoint Presentations and PDF documents that you quickly want to share with friends, just email the files to Slideshare and they'll instantly turn them into a web slideshow. [Slideshare upload options]
6.@mms.youtube.com - YouTube member can create an MMS profile here - if you have a video clip on your mobile phone or comptuer but no access to YouTube website, you can easily upload that video file to YouTube through that email address. [Details on Youtube Email upload]
7. pdf2txt@adobe.com - Send a PDF document to this email address as an attachment and it will come back as a plain text file. Handy when your don't have a PDF viewer to open the PDF document. Alternatively, you can send the PDF file to pdf2html@adobe.com for conversion to HTML format.
8.@prod.writely.com - Google Docs provides a unique email address here - you can upload your documents, spreadsheets and presentations to Google Docs through this address and read them on your mobile phone using the just launched Google Docs mobile at docs.google.com/m. [Google Docs Upload]
9.@rmilk.com - When you signup for Remember The Milk, you are assigned a unique email address. Emails sent to this special address are automatically converted into tasks and appear in your Inbox. Click on Settings -> Info -> Inbox Email Address. Very handy for keeping a track of your unfinished tasks and getting things done while on the move.
10.wsmith@wordsmith.org - Get the dictionary definition and synonyms of any word by sending a blank email to this email address. Make the subject line as: define myword
And now the most useful email address that will help you read webpages through email without requiring a web connection:
11.www@web2mail.com - Send an email with the URL of the web page in the Subject field (e.g. www.cnn.com) and you'll soon find a copy of that web page in your Inbox. A perfect option when there's no Internet access in the area or access is restricted .
Another similar service is www4mail@wm.ictp.trieste.it - it will also fetch websites for you through email though in this case, the site address should go in the body of the email message.