How can we use laravel dynamic smtp settings? How can we send laravel mails with custom dynamic smtp configurations?
Few months back, we built a solution for someone in which users can add their own smtp configurations and can send mails to their clients with their smtp details Like SAAS softwares does.
Read Also : Stripe connect for multi vendor with Laravel (SAAS Feature)
git clone https://github.com/SATPAL-BHARDWAJ/Laravel-8-dynamic-smtp-settings.gitWe are going to learn 3 different ways to achieve dynamic smtp configurations or settings.
We can register our own custom mailer in the AppServiceProvider like below in the code.
<?php
namespace App\Providers;
use Illuminate\Support\ServiceProvider;
use Swift_Mailer;
use Swift_SmtpTransport;
use Illuminate\Support\Arr;
use Illuminate\Mail\Mailer;
class AppServiceProvider extends ServiceProvider
{
/**
* Register any application services.
*
* @return void
*/ public function register()
{
$this->createSMTPMailer();
}
/**
* Bootstrap any application services.
*
* @return void
*/ public function boot()
{
//
}
public function createSMTPMailer() {
$this->app->bind('custom.smtp.mailer', function ($app, $parameters) {
$smtp_host = Arr::get($parameters, 'smtp_host');
$smtp_port = Arr::get($parameters, 'smtp_port');
$smtp_username = Arr::get($parameters, 'smtp_username');
$smtp_password = Arr::get($parameters, 'smtp_password');
$smtp_encryption = Arr::get($parameters, 'smtp_encryption');
$from_email = Arr::get($parameters, 'from_email');
$from_name = Arr::get($parameters, 'from_name');
$replyTo_email = Arr::get($parameters, 'replyTo_email');
$replyTo_name = Arr::get($parameters, 'replyTo_name');
$transport = new Swift_SmtpTransport($smtp_host, $smtp_port);
$transport->setUsername($smtp_username);
$transport->setPassword($smtp_password);
$transport->setEncryption($smtp_encryption);
$swift_mailer = new Swift_Mailer($transport);
$mailer = new Mailer('custom-smtp-mailer', $app->get('view'), $swift_mailer, $app->get('events'));
$mailer->alwaysFrom($from_email, $from_name);
$mailer->alwaysReplyTo($replyTo_email, $replyTo_name);
return $mailer;
});
}
}
Then it will be available everywhere in our application and we can use it as given below in the code.
<?php
namespace App\Traits;
use App\Mail\DynamicSMTPMail;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Mail;
use Swift_Mailer;
use Swift_SmtpTransport;
trait SmtpConfigTrait {
public function testSMTP() {
try {
$user = (object) [
'name' => 'receiver_name',
'email' => 'receiver_email'
];
$configuration = [
'smtp_host' => 'smtp.googlemail.com',
'smtp_port' => '465',
'smtp_username' => 'username',
'smtp_password' => 'password',
'smtp_encryption' => 'ssl',
'from_email' => 'fromemail',
'from_name' => 'fromname',
'replyTo_email' => 'replyemail',
'replyTo_name' => 'replyname',
];
$this->approach1($configuration, $user);
return true;
} catch (\Throwable $th) {
throw $th;
return false;
}
}
public function approach1($configuration, $user) {
$mailer = app()->makeWith('custom.smtp.mailer', $configuration);
$mailer->to( $user->email )->send( new DynamicSMTPMail($user->name, ['email' => $configuration['from_email'], 'name' => $configuration['from_name']]) );
}
} In this technique we are not changing default mailer to anything, we have just created our own mailer which we can use anytime with app helper function.
This is similar to above but here we are changing our default swift mailer with dynamic smtp settings.
Firstly, we are getting a backup of swiftMailer and then assign new smtp credentials to it. Now, we can use this mailer with default Mail facade.
At the end of this process we have to restore our mailer with default mail settings.
<?php
namespace App\Traits;
use App\Mail\DynamicSMTPMail;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Mail;
use Swift_Mailer;
use Swift_SmtpTransport;
trait SmtpConfigTrait {
public function testSMTP() {
try {
$user = (object) [
'name' => 'receiver_name',
'email' => 'receiver_email'
];
$configuration = [
'smtp_host' => 'smtp.googlemail.com',
'smtp_port' => '465',
'smtp_username' => 'username',
'smtp_password' => 'password',
'smtp_encryption' => 'ssl',
'from_email' => 'fromemail',
'from_name' => 'fromname',
'replyTo_email' => 'replyemail',
'replyTo_name' => 'replyname',
];
$this->approach2($configuration, $user);
return true;
} catch (\Throwable $th) {
throw $th;
return false;
}
}
public function approach2($configuration, $user) {
// backup mailing configuration
$backup = Mail::getSwiftMailer();
// set mailing configuration
$transport = (new Swift_SmtpTransport(
$configuration['smtp_host'],
$configuration['smtp_port'],
$configuration['smtp_encryption']))
->setUsername($configuration['smtp_username'])
->setPassword($configuration['smtp_password']);
$maildoll = new Swift_Mailer($transport);
// set mailtrap mailer
Mail::setSwiftMailer($maildoll);
Mail::to( $user->email )->send( new DynamicSMTPMail( $user->name, ['email' => $configuration['from_email'], 'name' => $configuration['from_name']] ) );
// reset to default configuration
Mail::setSwiftMailer($backup);
}
} This is the easiest way to use dynamic smtp settings with laravel but again we have to take backup of current smtp config and at the end need to restore this backup. So, the default mail settings should not be interrupted.
<?php
namespace App\Traits;
use App\Mail\DynamicSMTPMail;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Mail;
use Swift_Mailer;
use Swift_SmtpTransport;
trait SmtpConfigTrait {
public function testSMTP() {
try {
$user = (object) [
'name' => 'receiver_name',
'email' => 'receiver_email'
];
$configuration = [
'smtp_host' => 'smtp.googlemail.com',
'smtp_port' => '465',
'smtp_username' => 'username',
'smtp_password' => 'password',
'smtp_encryption' => 'ssl',
'from_email' => 'fromemail',
'from_name' => 'fromname',
'replyTo_email' => 'replyemail',
'replyTo_name' => 'replyname',
];
$this->approach3($configuration, $user);
return true;
} catch (\Throwable $th) {
throw $th;
return false;
}
}
public function approach3($configuration, $user) {
$backup = Config::get('mail.mailers.smtp');
Config::set('mail.mailers.smtp.host', $configuration['smtp_host']);
Config::set('mail.mailers.smtp.port', $configuration['smtp_port']);
Config::set('mail.mailers.smtp.username', $configuration['smtp_username']);
Config::set('mail.mailers.smtp.password', $configuration['smtp_password']);
Config::set('mail.mailers.smtp.encryption', $configuration['smtp_encryption']);
Config::set('mail.mailers.smtp.transport', 'smtp');
//Config::set('mail.mailers.smtp.auth_mode', true);
Mail::to( $user->email )->send(new DynamicSMTPMail( $user->name, ['email' => $configuration['from_email'], 'name' => $configuration['from_name']] ));
Config::set('mail.mailers.smtp', $backup);
}
} That’s it, these are the 3 ways to set dynamic smtp settings with Laravel.
Hope you find this article useful.
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