diff --git a/server/apiv1/swagger.go b/server/apiv1/swagger.go
index 7bb037e..b6b66fd 100644
--- a/server/apiv1/swagger.go
+++ b/server/apiv1/swagger.go
@@ -9,6 +9,13 @@ type infoResponse struct {
 	Body appInformation
 }
 
+// Web UI configuration
+// swagger:response WebUIConfigurationResponse
+type webUIConfigurationResponse struct {
+	// Web UI configuration settings
+	Body webUIConfiguration
+}
+
 // Message summary
 // swagger:response MessagesSummaryResponse
 type messagesSummaryResponse struct {
diff --git a/server/apiv1/webui.go b/server/apiv1/webui.go
new file mode 100644
index 0000000..60c0a39
--- /dev/null
+++ b/server/apiv1/webui.go
@@ -0,0 +1,54 @@
+package apiv1
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/axllent/mailpit/config"
+)
+
+// Response includes global web UI settings
+//
+// swagger:model WebUIConfiguration
+type webUIConfiguration struct {
+	// Message Relay information
+	MessageRelay struct {
+		// Whether message relaying (release) is enabled
+		Enabled bool
+		// The configured SMTP server address
+		SMTPServer string
+		// Enforced Return-Path (if set) for relay bounces
+		ReturnPath string
+	}
+}
+
+// WebUIConfig returns configuration settings for the web UI.
+func WebUIConfig(w http.ResponseWriter, r *http.Request) {
+	// swagger:route GET /api/v1/webui application WebUIConfiguration
+	//
+	// # Get web UI configuration
+	//
+	// Returns configuration settings for the web UI.
+	//
+	//	Produces:
+	//	- application/json
+	//
+	//	Schemes: http, https
+	//
+	//	Responses:
+	//		200: WebUIConfigurationResponse
+	//		default: ErrorResponse
+	conf := webUIConfiguration{}
+
+	conf.MessageRelay.Enabled = config.ReleaseEnabled
+	if config.ReleaseEnabled {
+		conf.MessageRelay.SMTPServer = fmt.Sprintf("%s:%d", config.SMTPRelayConfig.Host, config.SMTPRelayConfig.Port)
+		conf.MessageRelay.ReturnPath = config.SMTPRelayConfig.ReturnPath
+	}
+
+	bytes, _ := json.Marshal(conf)
+
+	w.Header().Add("Content-Type", "application/json")
+	_, _ = w.Write(bytes)
+}
diff --git a/server/server.go b/server/server.go
index 63c87d3..a5e23ce 100644
--- a/server/server.go
+++ b/server/server.go
@@ -88,6 +88,7 @@ func defaultRoutes() *mux.Router {
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}/headers", middleWareFunc(apiv1.GetHeaders)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/message/{id}", middleWareFunc(apiv1.GetMessage)).Methods("GET")
 	r.HandleFunc(config.Webroot+"api/v1/info", middleWareFunc(apiv1.AppInfo)).Methods("GET")
+	r.HandleFunc(config.Webroot+"api/v1/webui", middleWareFunc(apiv1.WebUIConfig)).Methods("GET")
 
 	return r
 }
diff --git a/server/ui-src/App.vue b/server/ui-src/App.vue
index 304f701..1130696 100644
--- a/server/ui-src/App.vue
+++ b/server/ui-src/App.vue
@@ -2,6 +2,7 @@
 import commonMixins from './mixins.js';
 import Message from './templates/Message.vue';
 import MessageSummary from './templates/MessageSummary.vue';
+import MessageRelease from './templates/MessageRelease.vue';
 import moment from 'moment';
 import Tinycon from 'tinycon';
 
@@ -10,7 +11,8 @@ export default {
 
 	components: {
 		Message,
-		MessageSummary
+		MessageSummary,
+		MessageRelease
 	},
 
 	data() {
@@ -36,7 +38,9 @@ export default {
 			selected: [],
 			tcStatus: 0,
 			appInfo: false,
-			lastLoaded: false
+			lastLoaded: false,
+			relayConfig: {},
+			releaseAddresses: false,
 		}
 	},
 
@@ -87,6 +91,7 @@ export default {
 		});
 
 		this.connect();
+		this.getUISettings();
 		this.loadMessages();
 	},
 
@@ -147,6 +152,13 @@ export default {
 			});
 		},
 
+		getUISettings: function () {
+			let self = this;
+			self.get('api/v1/webui', null, function (response) {
+				self.relayConfig = response.data;
+			});
+		},
+
 		doSearch: function (e) {
 			e.preventDefault();
 			this.loadMessages();
@@ -192,6 +204,7 @@ export default {
 		openMessage: function (id) {
 			let self = this;
 			self.selected = [];
+			self.releaseAddresses = false;
 			self.existingTags = JSON.parse(JSON.stringify(self.tags));
 
 			let uri = 'api/v1/message/' + self.currentPath
@@ -550,6 +563,34 @@ export default {
 			dl.target = '_blank';
 			dl.download = this.message.ID + '.' + ext;
 			dl.click();
+		},
+
+		initReleaseModal: function () {
+			this.releaseAddresses = false;
+			let addresses = [];
+			for (let i in this.message.To) {
+				addresses.push(this.message.To[i].Address)
+			}
+			for (let i in this.message.Cc) {
+				addresses.push(this.message.Cc[i].Address)
+			}
+			for (let i in this.message.Bcc) {
+				addresses.push(this.message.Bcc[i].Address)
+			}
+
+			// include only unique email addresses, regardless of casing
+			let uAddresses = new Map(addresses.map(a => [a.toLowerCase(), a]));
+			this.releaseAddresses = [...uAddresses.values()];
+
+			let self = this;
+			window.setTimeout(function () {
+				// delay to allow elements to load
+				self.modal('ReleaseModal').show();
+
+				window.setTimeout(function () {
+					document.querySelector('#ReleaseModal input[role="combobox"]').focus()
+				}, 500);
+			}, 300);
 		}
 	}
 }
@@ -572,6 +613,10 @@ export default {
 			<button class="btn btn-outline-light me-2" title="Mark unread" v-on:click="markUnread">
 				<i class="bi bi-eye-slash"></i> <span class="d-none d-md-inline">Mark unread</span>
 			</button>
+			<button class="btn btn-outline-light me-2" title="Release message"
+				v-if="relayConfig.MessageRelay && relayConfig.MessageRelay.Enabled" v-on:click="initReleaseModal">
+				<i class="bi bi-send"></i> <span class="d-none d-md-inline">Release</span>
+			</button>
 			<button class="btn btn-outline-light me-2" title="Delete message" v-on:click="deleteMessages">
 				<i class="bi bi-trash-fill"></i> <span class="d-none d-md-inline">Delete</span>
 			</button>
@@ -963,4 +1008,10 @@ export default {
 			</div>
 		</div>
 	</div>
+
+	<!-- Modal -->
+	<div class="modal fade" id="ReleaseModal" tabindex="-1" aria-labelledby="AppInfoModalLabel" aria-hidden="true">
+		<MessageRelease v-if="releaseAddresses" :message="message" :relayConfig="relayConfig"
+			:releaseAddresses="releaseAddresses"></MessageRelease>
+	</div>
 </template>
diff --git a/server/ui-src/assets/styles.scss b/server/ui-src/assets/styles.scss
index 01d8111..f278445 100644
--- a/server/ui-src/assets/styles.scss
+++ b/server/ui-src/assets/styles.scss
@@ -251,6 +251,10 @@ body.blur {
     input {
         font-size: 0.875em;
     }
+
+    div {
+        cursor: text; // html5-tags
+    }
 }
 
 #DownloadBtn {
@@ -264,6 +268,14 @@ body.blur {
     }
 }
 
+#ReleaseModal {
+    .form-control.dropdown {
+        div {
+            @extend .form-control;
+        }
+    }
+}
+
 /* PrismJS 1.29.0 - modified!
 https://prismjs.com/download.html#themes=prism-coy&languages=markup+css */
 code[class*="language-"],
diff --git a/server/ui-src/templates/MessageRelease.vue b/server/ui-src/templates/MessageRelease.vue
new file mode 100644
index 0000000..2ac4532
--- /dev/null
+++ b/server/ui-src/templates/MessageRelease.vue
@@ -0,0 +1,109 @@
+
+<script>
+import Tags from "bootstrap5-tags";
+import commonMixins from '../mixins.js';
+
+export default {
+	props: {
+		message: Object,
+		relayConfig: Object,
+		releaseAddresses: Array
+	},
+
+	data() {
+		return {
+			addresses: []
+		}
+	},
+
+	mixins: [commonMixins],
+
+	mounted() {
+		this.addresses = JSON.parse(JSON.stringify(this.releaseAddresses));
+		this.$nextTick(function () {
+			Tags.init("select[multiple]");
+		});
+	},
+
+	methods: {
+		releaseMessage: function () {
+			let self = this;
+			// set timeout to allow for user clicking send before the tag filter has applied the tag
+			window.setTimeout(function () {
+				if (!self.addresses.length) {
+					return false;
+				}
+
+				let data = {
+					to: self.addresses
+				}
+
+				self.post('api/v1/message/' + self.message.ID + '/release', data, function (response) {
+					self.modal("ReleaseModal").hide();
+				});
+			}, 100);
+		}
+	}
+}
+</script>
+
+<template>
+	<div class="modal-dialog modal-lg" v-if="message">
+		<div class="modal-content">
+			<div class="modal-header">
+				<h1 class="modal-title fs-5" id="AppInfoModalLabel">Release email</h1>
+				<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+			</div>
+			<div class="modal-body">
+				<h6>Send this message to one or more addresses specified below.</h6>
+				<div class="row">
+					<label class="col-sm-2 col-form-label text-muted">From</label>
+					<div class="col-sm-10">
+						<input type="text" readonly class="form-control-plaintext" :value="message.From.Address">
+					</div>
+				</div>
+				<div class="row">
+					<label class=" col-sm-2 col-form-label text-muted">Subject</label>
+					<div class="col-sm-10">
+						<input type="text" readonly class="form-control-plaintext" :value="message.Subject">
+					</div>
+				</div>
+				<div class="row mb-3">
+					<label class="col-sm-2 col-form-label text-muted">Send to</label>
+					<div class="col-sm-10">
+						<select class="form-select tag-selector" v-model="addresses" multiple data-allow-new="true"
+							data-clear-end="true" data-allow-clear="true" data-placeholder="Enter email addresses..."
+							data-add-on-blur="true" data-badge-style="primary"
+							data-regex='^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|.(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$'
+							data-separator="|,|">
+							<option value="">Enter email addresses...</option>
+							<!-- you need at least one option with the placeholder -->
+							<option v-for="t in releaseAddresses" :value="t">{{ t }}</option>
+						</select>
+						<div class="invalid-feedback">Invalid email address</div>
+					</div>
+				</div>
+				<div class="form-text text-center">
+					Note: For testing purposes, a unique Message-Id will be generated on send.
+					<br class="d-none d-md-inline">
+					SMTP delivery failures will bounce back to
+					<b v-if="relayConfig.MessageRelay.ReturnPath != ''">{{ relayConfig.MessageRelay.ReturnPath }}</b>
+					<b v-else>{{ message.ReturnPath }}</b>.
+				</div>
+			</div>
+			<div class="modal-footer">
+				<button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
+				<button type="button" class="btn btn-primary" :disabled="!addresses.length"
+					v-on:click="releaseMessage">Release</button>
+			</div>
+		</div>
+	</div>
+
+	<div id="loading" v-if="loading">
+		<div class="d-flex justify-content-center align-items-center h-100">
+			<div class="spinner-border text-secondary" role="status">
+				<span class="visually-hidden">Loading...</span>
+			</div>
+		</div>
+	</div>
+</template>