diff --git a/server/ui-src/components/message/MessageAttachments.vue b/server/ui-src/components/message/MessageAttachments.vue
index 66ecd3d..35c3b59 100644
--- a/server/ui-src/components/message/MessageAttachments.vue
+++ b/server/ui-src/components/message/MessageAttachments.vue
@@ -1,5 +1,6 @@
 <script>
 import commonMixins from "../../mixins/CommonMixins";
+import { mailbox } from "../../stores/mailbox";
 import ICAL from "ical.js";
 import dayjs from "dayjs";
 
@@ -19,6 +20,7 @@ export default {
 
 	data() {
 		return {
+			mailbox,
 			ical: false,
 		};
 	},
@@ -74,46 +76,119 @@ export default {
 </script>
 
 <template>
-	<div class="mt-4 border-top pt-4">
-		<a
+	<hr />
+
+	<button
+		class="btn btn-sm btn-outline-secondary mb-3"
+		@click="mailbox.showAttachmentDetails = !mailbox.showAttachmentDetails"
+	>
+		<i class="bi me-1" :class="mailbox.showAttachmentDetails ? 'bi-eye-slash' : 'bi-eye'"></i>
+		{{ mailbox.showAttachmentDetails ? "Hide" : "Show" }} attachment details
+	</button>
+
+	<div class="row mb-3 gx-1">
+		<div
 			v-for="part in attachments"
 			:key="part.PartID"
-			:href="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID)"
-			class="card attachment float-start me-3 mb-3"
-			target="_blank"
-			style="width: 180px"
-			@click="openAttachment(part, $event)"
+			:class="mailbox.showAttachmentDetails ? 'col-12' : 'col-auto'"
 		>
-			<img
-				v-if="isImage(part)"
-				:src="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID + '/thumb')"
-				class="card-img-top"
-				alt=""
-			/>
-			<img
-				v-else
-				src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALQAAAB4AQMAAABhKUq+AAAAA1BMVEX///+nxBvIAAAAGUlEQVQYGe3BgQAAAADDoPtTT+EA1QAAgFsLQAAB12s2WgAAAABJRU5ErkJggg=="
-				class="card-img-top"
-				alt=""
-			/>
-			<div v-if="!isImage(part)" class="icon">
-				<i class="bi" :class="attachmentIcon(part)"></i>
+			<div class="row gx-1 mb-3">
+				<div class="col-auto">
+					<a
+						:href="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID)"
+						class="card attachment float-start me-3 mb-3"
+						target="_blank"
+						style="width: 180px"
+						@click="openAttachment(part, $event)"
+					>
+						<img
+							v-if="isImage(part)"
+							:src="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID + '/thumb')"
+							class="card-img-top"
+							alt=""
+						/>
+						<img
+							v-else
+							src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALQAAAB4AQMAAABhKUq+AAAAA1BMVEX///+nxBvIAAAAGUlEQVQYGe3BgQAAAADDoPtTT+EA1QAAgFsLQAAB12s2WgAAAABJRU5ErkJggg=="
+							class="card-img-top"
+							alt=""
+						/>
+						<div v-if="!isImage(part)" class="icon">
+							<i class="bi" :class="attachmentIcon(part)"></i>
+						</div>
+						<div class="card-body border-0">
+							<p class="mb-1">
+								<i class="bi me-1" :class="attachmentIcon(part)"></i>
+								<small>{{ getFileSize(part.Size) }}</small>
+							</p>
+							<p class="card-text mb-0 small">
+								{{ part.FileName != "" ? part.FileName : "[ unknown ]" + part.ContentType }}
+							</p>
+						</div>
+						<div class="card-footer small border-0 text-center text-truncate">
+							{{ part.FileName != "" ? part.FileName : "[ unknown ]" + part.ContentType }}
+						</div>
+					</a>
+				</div>
+				<div v-if="mailbox.showAttachmentDetails" class="col">
+					<h5 class="mb-1">
+						<a
+							:href="resolve('/api/v1/message/' + message.ID + '/part/' + part.PartID)"
+							class="me-2"
+							@click="openAttachment(part, $event)"
+						>
+							{{ part.FileName != "" ? part.FileName : "[ unknown ]" + part.ContentType }}
+						</a>
+						<small class="text-muted fw-light">
+							<small>({{ getFileSize(part.Size) }})</small>
+						</small>
+					</h5>
+					<p class="mb-1 small"><strong>Disposition</strong>: {{ part.ContentDisposition }}</p>
+					<p class="mb-2 small">
+						<strong>Content type</strong>: <code>{{ part.ContentType }}</code>
+					</p>
+					<p class="m-0 small">
+						<strong>MD5</strong>:
+						<button
+							class="btn btn-sm btn-link p-0"
+							title="Click to copy to clipboard"
+							@click="copyToClipboard(part.Checksums.MD5, $event)"
+						>
+							{{ part.Checksums.MD5 }}
+							<i v-if="!copiedText[part.Checksums.MD5]" class="bi bi-clipboard ms-1"></i>
+							<i v-else class="bi bi-check2-square ms-1 text-success"></i>
+						</button>
+					</p>
+					<p class="m-0 small">
+						<strong>SHA1</strong>:
+						<button
+							class="btn btn-link p-0"
+							title="Click to copy to clipboard"
+							@click="copyToClipboard(part.Checksums.SHA1, $event)"
+						>
+							{{ part.Checksums.SHA1 }}
+							<i v-if="!copiedText[part.Checksums.SHA1]" class="bi bi-clipboard ms-1"></i>
+							<i v-else class="bi bi-check2-square ms-1 text-success"></i>
+						</button>
+					</p>
+					<p class="m-0 small">
+						<strong>SHA256</strong>:
+						<button
+							class="btn btn-sm btn-link p-0"
+							title="Click to copy to clipboard"
+							@click="copyToClipboard(part.Checksums.SHA256, $event)"
+						>
+							{{ part.Checksums.SHA256 }}
+							<i v-if="!copiedText[part.Checksums.SHA256]" class="bi bi-clipboard ms-1"></i>
+							<i v-else class="bi bi-check2-square ms-1 text-success"></i>
+						</button>
+					</p>
+				</div>
 			</div>
-			<div class="card-body border-0">
-				<p class="mb-1">
-					<i class="bi me-1" :class="attachmentIcon(part)"></i>
-					<small>{{ getFileSize(part.Size) }}</small>
-				</p>
-				<p class="card-text mb-0 small">
-					{{ part.FileName != "" ? part.FileName : "[ unknown ]" + part.ContentType }}
-				</p>
-			</div>
-			<div class="card-footer small border-0 text-center text-truncate">
-				{{ part.FileName != "" ? part.FileName : "[ unknown ]" + part.ContentType }}
-			</div>
-		</a>
+		</div>
 	</div>
 
+	<!-- ICS Modal -->
 	<div id="ICSView" class="modal fade" tabindex="-1" aria-hidden="true">
 		<div class="modal-dialog modal-dialog-centered modal-dialog-scrollable modal-lg">
 			<div class="modal-content">
diff --git a/server/ui-src/mixins/CommonMixins.js b/server/ui-src/mixins/CommonMixins.js
index da71142..636990e 100644
--- a/server/ui-src/mixins/CommonMixins.js
+++ b/server/ui-src/mixins/CommonMixins.js
@@ -20,6 +20,7 @@ export default {
 		return {
 			loading: 0,
 			tagColorCache: {},
+			copiedText: {}, // used for clipboard copy feedback
 		};
 	},
 
@@ -222,12 +223,15 @@ export default {
 		allAttachments(message) {
 			const a = [];
 			for (const i in message.Attachments) {
+				message.Attachments[i].ContentDisposition = "Attachment";
 				a.push(message.Attachments[i]);
 			}
 			for (const i in message.OtherParts) {
+				message.OtherParts[i].ContentDisposition = "Other";
 				a.push(message.OtherParts[i]);
 			}
 			for (const i in message.Inline) {
+				message.Inline[i].ContentDisposition = "Inline";
 				a.push(message.Inline[i]);
 			}
 
@@ -288,5 +292,21 @@ export default {
 
 			return this.tagColorCache[s];
 		},
+
+		// Copy to clipboard functionality
+		copyToClipboard(text) {
+			navigator.clipboard.writeText(text).then(
+				() => {
+					this.copiedText[text] = true;
+					setTimeout(() => {
+						delete this.copiedText[text];
+					}, 2000);
+				},
+				() => {
+					// failure
+					alert("Failed to copy to clipboard");
+				},
+			);
+		},
 	},
 };
diff --git a/server/ui-src/stores/mailbox.js b/server/ui-src/stores/mailbox.js
index 35b3d22..1fea4d8 100644
--- a/server/ui-src/stores/mailbox.js
+++ b/server/ui-src/stores/mailbox.js
@@ -32,6 +32,7 @@ export const mailbox = reactive({
 	timeZone: localStorage.getItem("timeZone")
 		? localStorage.getItem("timeZone")
 		: Intl.DateTimeFormat().resolvedOptions().timeZone,
+	showAttachmentDetails: localStorage.getItem("showAttachmentDetails"), // show attachment details
 });
 
 watch(
@@ -106,3 +107,14 @@ watch(
 		}
 	},
 );
+
+watch(
+	() => mailbox.showAttachmentDetails,
+	(v) => {
+		if (v) {
+			localStorage.setItem("showAttachmentDetails", "1");
+		} else {
+			localStorage.removeItem("showAttachmentDetails");
+		}
+	},
+);