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I am receiving Zixcorp secure emails from the same domain and from two different origination points. &nbsp;One of the sender's email attachments are coming through unchanged, but all email attachments from the other sender are coming across as winmail.DAT files. &nbsp;Does any one know how to resolve the problem?<br />
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Thank you
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I am receiving Zixcorp secure emails from the same domain and from two different origination points.  One of the sender's email attachments are coming through unchanged, but all email attachments from the other sender are coming across as winmail.DAT files.  Does any one know how to resolve the problem?

Thank you

Why are email attachments coming through Zix as winmail.DAT files to the reciepient

An email client, email reader or more formally mail user agent (MUA) is a computer program used to access and manage a user's email. A web application that provides message management, composition, and reception functions is sometimes also considered an email client, but more commonly referred to as webmail.

Internet / Email Software

Microsoft applications include a variety of software programs, including development and digital authoring programs (Expression and Media Center), educational programs, Internet software, including Essentials, Skype and the Live family, anti-virus, productivity applications and suites like Office, Excel, Word, Outlook, Access and PowerPoint, video games and server applications such as Exchange, SharePoint, IIS and Virtual Server.