wehub-resource-sync
bf9395e022
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27 lines
1.1 KiB
Go
27 lines
1.1 KiB
Go
// Copyright (c) 2026 Lark Technologies Pte. Ltd.
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// SPDX-License-Identifier: MIT
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package mail
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// Mail composition limits enforced before sending.
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const (
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// MaxAttachmentCount is the maximum number of attachments (including original
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// attachments carried over in +forward) allowed per message.
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MaxAttachmentCount = 250
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// MaxAttachmentBytes is the maximum combined size of all attachments in bytes.
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// Note: the overall EML size limit (emlbuilder.MaxEMLSize) is enforced separately.
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MaxAttachmentBytes = 25 * 1024 * 1024 // 25 MB
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// MaxAttachmentDownloadBytes is the safety limit for downloading a single
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// attachment. This is larger than MaxAttachmentBytes (which governs outgoing
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// composition) to allow for received attachments that exceed the send-side
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// limit. The purpose is to prevent unbounded memory allocation.
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MaxAttachmentDownloadBytes = 35 * 1024 * 1024 // 35 MB
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// MaxRecipientCount is the maximum total number of recipients (To + CC + BCC
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// combined) allowed per message. This is a defence-in-depth measure to prevent
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// abuse such as mass spam or mail bombing via the CLI.
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MaxRecipientCount = 500
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)
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