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FlowBeam SMTP Email Test
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Configuration:
SMTP Host: email.flowbeam.app
SMTP Port: 465
Encryption: SSL
Username: mailuser
From: FlowBeam Water <mailuser@flowbeam.app>
To: viktor.ballans@giz.de

⚠️  PHPMailer not found.

Please install PHPMailer first:
  cd /var/www/flowbeam/backend
  composer require phpmailer/phpmailer