Prevent spoof mail

[fadedshadowx]

You should add additional attributes to your code.

I've just send email with spoofed sender and look for the header:

Webklex\PHPIMAP\Header {#671 ▼
  +raw: b"""
    Return-Path: <real_sender@sender_domain.pl>
    Delivered-To: receipent@receipent_domain.pl
    Received: from h2.server.pl
    \tby h2.server.pl with LMTP
    \tid 4IDTIEUkm18ZSSkA87l24w
    \t(envelope-from <real_sender@sender_domain.pl>)
    \tfor <receipent@receipent_domain.pl>; Thu, 29 Oct 2020 21:21:25 +0100
    Return-path: <real_sender@sender_domain.pl>
    Envelope-to: receipent@receipent_domain.pl
    Delivery-date: Thu, 29 Oct 2020 21:21:25 +0100
    Received: from sender_domain.pl ([server ip])
    \tby h2.server.pl with esmtps  (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
    \t(Exim 4.94)
    \t(envelope-from <real_sender@sender_domain.pl>)
    \tid 1kYEQG-00BPgD-S0
    \tfor receipent@receipent_domain.pl; Thu, 29 Oct 2020 21:21:25 +0100
    Received: by sender_domain.pl (Postfix, from userid 1000)
    \tid 57DADAB; Thu, 29 Oct 2020 21:21:23 +0100 (CET)
    DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=sender_domain.pl; s=default;
    \tt=1604002883; bh=CsZufJouWdjY/W12No6MSSMwbp0VaS8EOMGg9WptEaI=;
    \th=From:To:Subject:Date;
    \tb=v0NAncnNT/w+gInANxAkMt20ktM4LZquuwlokUmLpPyO3++8dy112olu63Dkn9L2E
    \t GwfHGqW+8f7g494UK6asUKqTx8fHxlEJbHqAiEV5QrlynSeZDFXsKvGDW8XNMFBKop
    \t sAjvp8NTUiNcA4MTbFaZ7RX15A/9d9QVEynU8MaNP2ZYKnq9J/JXgUjjMnx+FiULqf
    \t xJN/5rjwHRx7f6JQoXXUxuck6Zh4tSDiLLnDFasrSxed6sTNfnZMAggCyb1++estNk
    \t q6HNBwp85Az3ELo10RbBF/WM2FhxxFz1khncRtCyLXLUZ2lzhjan765KXpeYg7FUa9
    \t zItPWVTaTzTEg==
    From: faked_sender@sender_domain.pl
    To: receipent@receipent_domain.pl
    Subject: Zly from
    Message-Id: <20201029202123.57DADAB@sender_domain.pl>
    Date: Thu, 29 Oct 2020 21:21:01 +0100 (CET)
    Forward-Confirmed-ReverseDNS: Reverse and forward lookup success on server ip, -10 Spam score
    SPFCheck: Server passes SPF test, -30 Spam score
    X-DKIM: signer='sender_domain.pl' status='pass' reason=''
    DKIMCheck: Server passes DKIM test, -20 Spam score
    X-Spam-Score: -0.2 (/)
    """
  #attributes: array:25 [▼
    "from" => array:1 [▼
      0 => {#674 ▼
        +"mailbox": "faked_sender"
        +"host": "sender_domain.pl"
        +"personal": false
        +"mail": "faked_sender@sender_domain.pl"
        +"full": "faked_sender@sender_domain.pl"
      }
    ]
    "to" => array:1 [▼
      0 => {#673 ▼
        +"mailbox": "receipent"
        +"host": "receipent_domain.pl"
        +"personal": false
        +"mail": "receipent@receipent_domain.pl"
        +"full": "receipent@receipent_domain.pl"
      }
    ]
    "reply_to" => array:1 [▼
      0 => {#675 ▼
        +"mailbox": "faked_sender"
        +"host": "sender_domain.pl"
        +"personal": false
        +"mail": "faked_sender@sender_domain.pl"
        +"full": "faked_sender@sender_domain.pl"
      }
    ]
    "sender" => array:1 [▼
      0 => {#676 ▼
        +"mailbox": "faked_sender"
        +"host": "sender_domain.pl"
        +"personal": false
        +"mail": "faked_sender@sender_domain.pl"
        +"full": "faked_sender@sender_domain.pl"
      }
    ]
    "subject" => "Bad from example"
    "message_id" => "20201029202123.57DADAB@sender_domain.pl"
    "date" => Carbon\Carbon @1604002861 {#677 ▶}
    "return-path" => "<real_sender@sender_domain.pl>"
    "delivered-to" => "receipent@receipent_domain.pl"
    "received" => "by sender_domain.pl (Postfix, from userid 1000) id 57DADAB"
    "envelope-to" => "receipent@receipent_domain.pl"
    "delivery-date" => "Thu, 29 Oct 2020 21:21:25 +0100"
    "dkim-signature" => array:9 [▶]
    "message-id" => "<20201029202123.57DADAB@sender_domain.pl>"
    "forward-confirmed-reversedns" => "Reverse and forward lookup success on server ip, -10 Spam score"
    "spfcheck" => "Server passes SPF test, -30 Spam score"
    "x-dkim" => "signer='sender_domain.pl' status='pass' reason=''"
    "dkimcheck" => "Server passes DKIM test, -20 Spam score"
    "x-spam-score" => "-0.2 (/)"
    "x-spam-report" => array:21 [▶]
    "spamtally" => "Final spam score: -61"
    "toaddress" => "receipent@receipent_domain.pl"
    "fromaddress" => "faked_sender@sender_domain.pl"
    "reply_toaddress" => "faked_sender@sender_domain.pl"
    "senderaddress" => "faked_sender@sender_domain.pl"
  ]
  #config: array:9 [▶]
  +fallback_encoding: "UTF-8"
}

Atrribute sender detected fake data.
Maili server detected in Return-Path and envelope-from position real sender. In attributes envelope-from doesn't exist. Can you add this?

https://en.wikipedia.org/wiki/Email_spoofing

"webklex/php-imap": "^2.2",
php 7.4.11
debian 9.13