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Editorial Team
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Asked: 2026-05-25T12:30:37+00:00

I want to ask you about sending files using WCF. I want to implement

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I want to ask you about sending files using WCF.
I want to implement service, to send fax and emails. My case looks like that:

  • The service will be hosted in windows service.
  • I would like to make this service visible on the local network only. (So I will probably use netTcpBinding)
  • and It will be great, when a customer who wants to send a fax or send email with attachments, will have to use only the “SendFax” function with specific parameters. I mean.. How to do that, so it would be very simple for client?
  • I think the biggest attachment could be up to 20MB, I don’t know how it looks like in case of a fax. But I think it will be MS Word file, so 20MB will upper limit.

I want to ask you how to implement, the server-side part of WCF service?
Use buffered upload or streamed upload ?
Could you give me a link to good example or article ?

Any help will be great,
Thanks

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1 Answer

  1. Editorial Team

    A WCF service endpoint can accept a byte array of variable sizes so it shouldn’t be a problem for a client to send a pdf,word, etc document as a byte[] to the service. The default netTcpBinding settings will need to be adjusted to accomodate the large file sizes.

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