Multi-Attach Mail can help user send multiple attachments to multiple recipients with multiple emails very easily. And no format limitation.
Cool, huh?

Multi-Attach Mail can manger files and preview files smartly.
You can import songs from iPod music library, import photos from albums, record songs and import files with itunes, share all of them with email and WiFi.
With multiple select function, operation such as delete and send will be very fast.

Special Features:
> Split files into multiple mails then send all mail to multiple people.
> Split big file to pieces to send. Combine pieces of file to orignal file.
> Import songs from iPod Library.
> Import photos from albums. Long press thumbnail for preview.
> Share files with PC and Mac via WiFi.
> Smart recipients manage. Setup To/Cc/Bcc easily.
> Easy take a picture and record song to send.
> Cloud Storage Services supported. (Dropbox, SkyDrive, GoogleDrive, Box, GoogleDocs, MyDisk, FTP, WebDav, SugarSync)
> Location share. Navigate to Location.

Preview Support Format:
> PDF
> MS Office (Word, Excel and PowerPoint)
> iWork (Pages, Numbers and Keynotes)
> OpenDocuments (OpenOffice) (Text, Spreadsheet, Presentation) basic formatting only
> Plain Text and RTF (Rich Text Format; with custom font selection and size)
> Images (JPG, PNG, GIF, TIFF and others)
> Audio (MP3, AAC, Apple Lossless, AIFF, WAV)
> Video (standard iPhone format : H.264, MPEG-4)
> HTML files
> VCards file(.vcf)
> Zip files (unzip, zip)
> Rar files (unrar)
> Locations format
> iCal files(.ics)

I appreciate any comments.

English version User Guide is made, please go Settings -> User Guide to have a look when you need it.
Thanks for using Multi-Attach Mail. :)