Add mail driver (#3205)

* Add node mailer packages

* Init mailer module

* Add logger transport

* Use env variable to get transport

* Revert "Add node mailer packages"

This reverts commit 3fb954f0caef94266f96ff5f08de750073ab3491.

* Add nodemailer

* Use driver pattern

* Use logger

* Fix yarn install

* Code review returns

* Add configuration examples for smtp

* Fix merge conflict

* Add missing packages

* Fix ci

packages/twenty-docs/docs/start/self-hosting/enviroment-variables.mdx

@@ -6,6 +6,8 @@ sidebar_custom_props:
 ---
 
 import OptionTable from '@site/src/theme/OptionTable'
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
 
 ## Frontend
 
@@ -56,6 +58,53 @@ import OptionTable from '@site/src/theme/OptionTable'
     ['FRONT_AUTH_CALLBACK_URL', 'http://localhost:3001/verify ', 'Callback used for Login page'],
     ]}></OptionTable>
 
+### Email
+
+<OptionTable options={[
+    ['EMAIL_DRIVER', 'logger', "Email driver: 'logger' (to log emails in console) or 'smtp'"],
+    ['EMAIL_SMTP_HOST', '', 'Email Smtp Host'],
+    ['EMAIL_SMTP_PORT', '', 'Email Smtp Port'],
+    ['EMAIL_SMTP_USER', '', 'Email Smtp User'],
+    ['EMAIL_SMTP_PASSWORD', '', 'Email Smtp Password'],
+  ]}></OptionTable>
+
+#### Email SMTP Server configuration examples
+
+<Tabs>
+
+  <TabItem value="Gmail" label="Gmail" default>
+
+  You will need to provision an [App Password](https://support.google.com/accounts/answer/185833).
+  - EMAIL_SMTP_HOST=smtp.gmail.com
+  - EMAIL_SERVER_PORT=465
+  - EMAIL_SERVER_USER=gmail_email_address
+  - EMAIL_SERVER_PASSWORD='gmail_app_password'
+
+  </TabItem>
+
+  <TabItem value="Office365" label="Office365">
+
+    Keep in mind that if you have 2FA enabled, you will need to provision an [App Password](https://support.microsoft.com/en-us/account-billing/manage-app-passwords-for-two-step-verification-d6dc8c6d-4bf7-4851-ad95-6d07799387e9).
+    - EMAIL_SMTP_HOST=smtp.office365.com
+    - EMAIL_SERVER_PORT=587
+    - EMAIL_SERVER_USER=office365_email_address
+    - EMAIL_SERVER_PASSWORD='office365_password'
+
+  </TabItem>
+
+  <TabItem value="Smtp4dev" label="Smtp4dev">
+
+    **smtp4dev** is a fake SMTP email server for development and testing.
+    - Run the smtp4dev image: `docker run --rm -it -p 8090:80 -p 2525:25 rnwood/smtp4dev`
+    - Access the smtp4dev ui here: [http://localhost:8090](http://localhost:8090)
+    - Set the following env variables:
+      - EMAIL_SERVER_HOST=localhost
+      - EMAIL_SERVER_PORT=2525
+
+  </TabItem>
+
+</Tabs>
+
 ### Storage
 
 <OptionTable options={[
@@ -82,6 +131,7 @@ import OptionTable from '@site/src/theme/OptionTable'
 
 
 ### Data enrichment and AI
+
 <OptionTable options={[
     ['OPENROUTER_API_KEY', '', "The API key for openrouter.ai, an abstraction layer over models from Mistral, OpenAI and more"]
     ]}></OptionTable>
@@ -96,6 +146,7 @@ import OptionTable from '@site/src/theme/OptionTable'
     ]}></OptionTable>
 
 ### Telemetry
+
 <OptionTable options={[
     ['TELEMETRY_ENABLED', 'true', 'Change this if you want to disable telemetry'],
     ['TELEMETRY_ANONYMIZATION_ENABLED', 'true', 'Telemetry is anonymized by default, you probably don\'t want to change this'],