Send Email With Attached Files from Iphone application

 step 1 :

- add MessageUI framework

step 2 :

 #import "MessageUI/MessageUI.h" 

- add MFMailComposeViewControllerDelegate to .h file

step 3 :

- code in .m file on an clicked event of send Button

 if ([MFMailComposeViewController canSendMail])

        {

            // csv file path details for attachments

            NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

            NSString *documentsDirectory = [paths objectAtIndex:0];

            NSString *filename =@"test.csv";

            NSString *fullPathToFile = [documentsDirectory stringByAppendingPathComponent:filename];

            NSData *myData = [NSData dataWithContentsOfFile:fullPathToFile]; 

            

            // pdf file path details for attachments

            NSString *filename1 =@"NewPDF.pdf";

            NSString *pdfPath = [documentsDirectory stringByAppendingPathComponent:filename1];

            NSData *myData1 = [NSData dataWithContentsOfFile:pdfPath];

            

            

            MFMailComposeViewController *mailer = [[MFMailComposeViewController alloc] init];

            mailer.mailComposeDelegate = self;

            

            NSMutableArray *arr = [[NSMutableArray alloc]init];

            [arr addObject:emailText.text];

            [mailer setToRecipients:arr];

            

            [mailer setSubject:@"Vehicle Expenses from myConsultant"];

            

            NSString *emailBody = @"";

            [mailer setMessageBody:emailBody isHTML:NO];

            

            [mailer addAttachmentData:myData mimeType:@"text/csv" fileName:filename];

            [mailer addAttachmentData:myData1 mimeType:@"text/pdf" fileName:filename1];

            

            [self presentModalViewController:mailer animated:YES];

            

            [mailer release]; 

        }

        else

        {

            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Failure"

                                                            message:@"Your device doesn't support the composer sheet"

                                                           delegate:nil

                                                  cancelButtonTitle:@"OK"

                                                  otherButtonTitles:nil];

            [alert show];

            [alert release];

        }

    }

step 4 : // add delegate method anywhere in .m class file

- (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error

{ 

    // Notifies users about errors associated with the interface

    switch (result)

    {

        case MFMailComposeResultCancelled:

            break;

        case MFMailComposeResultSaved:

            break;

        case MFMailComposeResultSent:

            break;

        case MFMailComposeResultFailed:

            break;

            

        default:

        {

            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Email" message:@"Sending Failed - Unknown Error :-("

                                                           delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil];

            [alert show];

            [alert release];

        }

            

            break;

    }

    [self dismissModalViewControllerAnimated:YES];

}

Only the thing is that you have a file available on a path you given for attachment 

so enjoy Love coding, iCoding