[NEW] Setting to only send plain text emails

app/lib/server/startup/email.js

@@ -2,6 +2,10 @@ import { settings } from '../../../settings';
 
 settings.addGroup('Email', function() {
 	this.section('Style', function() {
+		this.add('email_plain_text_only', false, {
+			type: 'boolean',
+		});
+
 		this.add('email_style', `html, body, .body { font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,'Helvetica Neue','Apple Color Emoji','Segoe UI Emoji','Segoe UI Symbol','Meiryo UI',Arial,sans-serif; }
 
 	body, .body {
@@ -103,6 +107,10 @@ settings.addGroup('Email', function() {
 			multiline: true,
 			i18nLabel: 'email_style_label',
 			i18nDescription: 'email_style_description',
+			enableQuery: {
+				_id: 'email_plain_text_only',
+				value: true,
+			},
 		});
 	});
 

app/mailer/server/api.js

@@ -50,7 +50,13 @@ export const replaceEscaped = (str, data = {}) => replace(str, {
 		return ret;
 	}, {}),
 });
-export const wrap = (html, data = {}) => replaceEscaped(body.replace('{{body}}', html), data);
+export const wrap = (html, data = {}) => {
+	if (settings.get('email_plain_text_only')) {
+		return replace(html, data);
+	}
+
+	return replaceEscaped(body.replace('{{body}}', html), data);
+};
 export const inlinecss = (html) => juice.inlineContent(html, Settings.get('email_style'));
 export const getTemplate = (template, fn, escape = true) => {
 	let html = '';
@@ -103,6 +109,10 @@ export const sendNoWrap = ({ to, from, replyTo, subject, html, text, headers })
 		text = stripHtml(html);
 	}
 
+	if (settings.get('email_plain_text_only')) {
+		html = undefined;
+	}
+
 	Meteor.defer(() => Email.send({ to, from, replyTo, subject, html, text, headers }));
 };
 

packages/rocketchat-i18n/i18n/en.i18n.json

@@ -1232,6 +1232,7 @@
   "email_style_label": "Email Style",
   "email_style_description": "Avoid nested selectors",
   "Email_verified": "Email verified",
+  "email_plain_text_only": "Send only plain text emails",
   "Emoji": "Emoji",
   "Emoji_provided_by_JoyPixels": "Emoji provided by <strong>JoyPixels</strong>",
   "EmojiCustomFilesystem": "Custom Emoji Filesystem",

packages/rocketchat-i18n/i18n/pt-BR.i18n.json

@@ -1152,6 +1152,7 @@
   "Email_subject": "Assunto",
   "email_style_label": "Estilo do Email",
   "email_style_description": "Evite seletores aninhados",
+  "email_plain_text_only": "Enviar emails apenas em texto puro",
   "Email_verified": "Email verificado",
   "Emoji": "Emoji",
   "EmojiCustomFilesystem": "Sistema de arquivos do emoji customizado",