基本上在我家的Ubuntu机器上，我希望能够在我的symfony应用程序中从localhost发送电子邮件。我已经安装了sendmail及其基本配置。我可以使用命令行发送电子邮件：sendmail -v命令。电子邮件被接收。我甚至可以使用PHP函数发送电子邮件：

$to = "[email protected]";
$subject = "My subject";
$txt = "Hello world!";
$headers = "From: [email protected]";

mail($to,$subject,$txt,$headers

电子邮件已收到。
然而，使用symfony邮件功能，我没有收到电子邮件，我也没有收到任何错误。
这是我在php.ini中的sendmail配置：

[mail function]
; For Win32 only.
; https://php.net/smtp
SMTP = localhost
; https://php.net/smtp-port
smtp_port = 25

; For Win32 only.
; https://php.net/sendmail-from
;sendmail_from = [email protected]

; For Unix only.  You may supply arguments as well (default: "sendmail -t -i").
; https://php.net/sendmail-path
sendmail_path = /usr/sbin/sendmail -t -i

这是我的symfony php代码：

public function resetPassword(User $user, ResetPasswordToken $resetToken): void
{

    $to = "[email protected]";
    $subject = "My subject";
    $txt = "Hello world!";
    $headers = "From: [email protected]";

    mail($to,$subject,$txt,$headers); // <----- THIS IS WORKING!!!

    $subject = 'My subject';

    $email = (new TemplatedEmail());
    $email->from(new Address('[email protected]'));
    $email->to('[email protected]');
    $email->subject($subject);
    $email->htmlTemplate('shop/email/reset_password.html.twig');
    $email->context([
        'resetToken' => $resetToken
    ]);

    try {
        $this->mailer->send($email); // <----- THIS IS NOT WORKING!!!
    } catch (TransportExceptionInterface $e) {
        dd($e->getCode());
    }
}

在我的.env文件中，我尝试了多种不同的配置，包括：

###> symfony/mailer ###
MAILER_DSN=smtp://localhost
###< symfony/mailer ###

###> symfony/mailer ###
MAILER_DSN=sendmail://default
###< symfony/mailer ###

###> symfony/mailer ###
MAILER_DSN=native://default
###< symfony/mailer ###

他们都没有工作。任何想法是赞赏！