62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
//
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// DeliveryStatusNotification.cs
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//
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// Author: Jeffrey Stedfast <jestedfa@microsoft.com>
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//
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// Copyright (c) 2013-2020 .NET Foundation and Contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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using System;
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namespace MailKit {
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/// <summary>
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/// Delivery status notification types.
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/// </summary>
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/// <remarks>
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/// A set of flags that may be bitwise-or'd together to specify
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/// when a delivery status notification should be sent for a
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/// particlar recipient.
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/// </remarks>
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[Flags]
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public enum DeliveryStatusNotification {
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/// <summary>
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/// Never send delivery status notifications.
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/// </summary>
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Never = 0,
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/// <summary>
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/// Send a notification on successful delivery to the recipient.
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/// </summary>
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Success = (1 << 0),
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/// <summary>
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/// Send a notification on failure to deliver to the recipient.
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/// </summary>
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Failure = (1 << 1),
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/// <summary>
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/// Send a notification when the delivery to the recipient has
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/// been delayed for an unusual amount of time.
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/// </summary>
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Delay = (1 << 2)
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}
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}
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