I think there is no limitation, but check this question about it you too:
SmtpClient - Attachment Limits?
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30-06-2022 - |
题
SmtpClient - .NET 2.0
I was wondering if there is limits of how many attachments you can have?
解决方案
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题
SmtpClient - .NET 2.0
I was wondering if there is limits of how many attachments you can have?
解决方案
I think there is no limitation, but check this question about it you too: