System, method and program product for managing a file attached to an e-mail. The attached file's file name is obtained. A voice message file address is received and encoded into a modified address to comply with file naming rules of a recipient computer. A composite file name results from inserting the modified address into the attached file's file name and is displayed in the e-mail. The recipient computer extracts the modified address from the composite file name in the e-mail and decodes the modified address to obtain the voice message file address. Using the voice message file address, the recipient computer requests and receives the voice message file. The voice message is analyzed and verified prior to accessing the attached file. Verifying the voice message includes comparing a voice of the voice message to a voice signature.