Net::SMTPSyntaxError: 501 Sender syntax error

[lpirola]

https://sentry.io/nossas/bonde-server/issues/620050179/

Net::SMTPSyntaxError: 501 Sender syntax error

  net/smtp.rb:969:in `check_response'
    raise res.exception_class, res.message
  net/smtp.rb:937:in `getok'
    check_response res
  net/smtp.rb:837:in `mailfrom'
    getok("MAIL FROM:<#{from_addr}>")
  net/smtp.rb:658:in `send_message'
    mailfrom from_addr
  mail/network/delivery_methods/smtp_connection.rb:54:in `deliver!'
    response = smtp.sendmail(dot_stuff(message), smtp_from, smtp_to)
...
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501 Sender syntax error