Add support for Zoho email

backend/package-lock.json

@@ -69,7 +69,7 @@
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+          "integrity": "sha512-VTPYNZ7vaWtYna9M4oD42zENOBrb+ZYyCNdFs949GcN8Miwn37b8b7eMj+EZaq7VK9fx0Jd+JhmkhjFhvnovhg==",
+          "dev": true,
+          "requires": {
+            "@typescript-eslint/types": "5.54.0",
+            "@typescript-eslint/visitor-keys": "5.54.0"
+          }
+        },
+        "@typescript-eslint/types": {
+          "version": "5.54.0",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-5.54.0.tgz",
+          "integrity": "sha512-nExy+fDCBEgqblasfeE3aQ3NuafBUxZxgxXcYfzYRZFHdVvk5q60KhCSkG0noHgHRo/xQ/BOzURLZAafFpTkmQ==",
+          "dev": true
+        },
+        "@typescript-eslint/typescript-estree": {
+          "version": "5.54.0",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-5.54.0.tgz",
+          "integrity": "sha512-X2rJG97Wj/VRo5YxJ8Qx26Zqf0RRKsVHd4sav8NElhbZzhpBI8jU54i6hfo9eheumj4oO4dcRN1B/zIVEqR/MQ==",
+          "dev": true,
+          "requires": {
+            "@typescript-eslint/types": "5.54.0",
+            "@typescript-eslint/visitor-keys": "5.54.0",
+            "debug": "^4.3.4",
+            "globby": "^11.1.0",
+            "is-glob": "^4.0.3",
+            "semver": "^7.3.7",
+            "tsutils": "^3.21.0"
+          }
+        },
+        "@typescript-eslint/visitor-keys": {
+          "version": "5.54.0",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-5.54.0.tgz",
+          "integrity": "sha512-xu4wT7aRCakGINTLGeyGqDn+78BwFlggwBjnHa1ar/KaGagnmwLYmlrXIrgAaQ3AE1Vd6nLfKASm7LrFHNbKGA==",
+          "dev": true,
+          "requires": {
+            "@typescript-eslint/types": "5.54.0",
+            "eslint-visitor-keys": "^3.3.0"
+          }
+        }
       }
     },
     "@typescript-eslint/visitor-keys": {

backend/package.json

@@ -87,7 +87,7 @@
     "@types/supertest": "^2.0.12",
     "@types/swagger-jsdoc": "^6.0.1",
     "@types/swagger-ui-express": "^4.1.3",
-    "@typescript-eslint/eslint-plugin": "^5.40.1",
+    "@typescript-eslint/eslint-plugin": "^5.54.0",
     "@typescript-eslint/parser": "^5.40.1",
     "cross-env": "^7.0.3",
     "eslint": "^8.26.0",

backend/src/services/smtp.ts

@@ -1,9 +1,16 @@
 import nodemailer from 'nodemailer';
-import { SMTP_HOST, SMTP_PORT, SMTP_USERNAME, SMTP_PASSWORD, SMTP_SECURE } from '../config';
+import { 
+  SMTP_HOST, 
+  SMTP_PORT, 
+  SMTP_USERNAME, 
+  SMTP_PASSWORD, 
+  SMTP_SECURE 
+} from '../config';
 import {
   SMTP_HOST_SENDGRID, 
   SMTP_HOST_MAILGUN,
-  SMTP_HOST_SOCKETLABS
+  SMTP_HOST_SOCKETLABS,
+  SMTP_HOST_ZOHOMAIL
 } from '../variables';
 import SMTPConnection from 'nodemailer/lib/smtp-connection';
 import * as Sentry from '@sentry/node';
@@ -37,6 +44,12 @@ if (SMTP_SECURE) {
         ciphers: 'TLSv1.2'
       }
       break;
+    case SMTP_HOST_ZOHOMAIL:
+      mailOpts.requireTLS = true; 
+      mailOpts.tls = {
+        ciphers: 'TLSv1.2'
+      }
+      break; 
     default:
       if (SMTP_HOST.includes('amazonaws.com')) {
         mailOpts.tls = {

backend/src/variables/index.ts

@@ -47,7 +47,8 @@ import {
 import { 
   SMTP_HOST_SENDGRID, 
   SMTP_HOST_MAILGUN,
-  SMTP_HOST_SOCKETLABS
+  SMTP_HOST_SOCKETLABS,
+  SMTP_HOST_ZOHOMAIL
 } from './smtp';
 import { PLAN_STARTER, PLAN_PRO } from './stripe';
 import {
@@ -110,6 +111,7 @@ export {
   SMTP_HOST_SENDGRID,
   SMTP_HOST_MAILGUN,
   SMTP_HOST_SOCKETLABS,
+  SMTP_HOST_ZOHOMAIL,
   PLAN_STARTER,
   PLAN_PRO,
   MFA_METHOD_EMAIL,

backend/src/variables/smtp.ts

@@ -1,9 +1,11 @@
 const SMTP_HOST_SENDGRID = 'smtp.sendgrid.net';
 const SMTP_HOST_MAILGUN = 'smtp.mailgun.org';
 const SMTP_HOST_SOCKETLABS = 'smtp.socketlabs.com';
+const SMTP_HOST_ZOHOMAIL = 'smtp.zoho.com';
 
 export {
     SMTP_HOST_SENDGRID,
     SMTP_HOST_MAILGUN,
-    SMTP_HOST_SOCKETLABS
+    SMTP_HOST_SOCKETLABS,
+    SMTP_HOST_ZOHOMAIL
 }

docs/self-hosting/configuration/email.mdx

@@ -134,4 +134,33 @@ SMTP_FROM_NAME=Infisical
   Remember that you will need to restart Infisical for this to work properly.
 </Info>
 </Accordion>
+
+<Accordion title="Zoho Mail">
+
+1. Create an account and configure [Zoho Mail](https://www.zoho.com/mail/) to send emails.
+
+2. With your email credentials, you can now set up your SMTP environment variables:
+
+```
+SMTP_HOST=smtp.zoho.com
+SMTP_USERNAME=username # your email
+SMTP_PASSWORD=password # your password
+SMTP_PORT=587
+SMTP_SECURE=true
+[email protected] # your personal Zoho email or domain-based email linked to Zoho Mail
+SMTP_FROM_NAME=Infisical
+```
+
+<Note>
+  You can use either your personal Zoho email address like `[email protected]` or
+  a domain-based email address like `[email protected]`. If using a
+  domain-based email address, then please make sure that you've configured and
+  verified it with Zoho Mail.
+</Note>
+
+<Info>
+  Remember that you will need to restart Infisical for this to work properly.
+</Info>
+</Accordion>
+
 </AccordionGroup>