From d0d52def8fb4113a7a4866d30f2e9c7bfe11075e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E0=A4=95=E0=A4=BE=E0=A4=B0=E0=A4=A4=E0=A5=8B=E0=A4=AB?=
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 <netroy@users.noreply.github.com>
Date: Tue, 7 May 2024 17:38:23 +0200
Subject: [PATCH] feat(Send Email Node): Add an option to customize client
 host-name on SMTP connections (#9322)

---
 packages/nodes-base/credentials/Smtp.credentials.ts      | 8 ++++++++
 packages/nodes-base/nodes/EmailSend/v2/send.operation.ts | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/packages/nodes-base/credentials/Smtp.credentials.ts b/packages/nodes-base/credentials/Smtp.credentials.ts
index 8c0e58f3c3..28817bdc88 100644
--- a/packages/nodes-base/credentials/Smtp.credentials.ts
+++ b/packages/nodes-base/credentials/Smtp.credentials.ts
@@ -41,5 +41,13 @@ export class Smtp implements ICredentialType {
 			type: 'boolean',
 			default: true,
 		},
+		{
+			displayName: 'Client Host Name',
+			name: 'hostName',
+			type: 'string',
+			default: '',
+			placeholder: '',
+			description: 'The hostname of the client, used for identifying to the server',
+		},
 	];
 }
diff --git a/packages/nodes-base/nodes/EmailSend/v2/send.operation.ts b/packages/nodes-base/nodes/EmailSend/v2/send.operation.ts
index a6ef660c64..8e9623c67d 100644
--- a/packages/nodes-base/nodes/EmailSend/v2/send.operation.ts
+++ b/packages/nodes-base/nodes/EmailSend/v2/send.operation.ts
@@ -210,6 +210,10 @@ function configureTransport(credentials: IDataObject, options: EmailSendOptions)
 		secure: credentials.secure as boolean,
 	};
 
+	if (typeof credentials.hostName === 'string' && credentials.hostName) {
+		connectionOptions.name = credentials.hostName;
+	}
+
 	if (credentials.user || credentials.password) {
 		connectionOptions.auth = {
 			user: credentials.user as string,