‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Tuesday, January 5, 2021 8:31 AM, Karl <gmkarl@gmail.com> wrote:
Please collect proof and logs that our communications are altered in transit, so that system administrators and programmers will resolve the situation.
Karl note that some integrity verification is provided by your email provider - gmail. for example, your email had the following headers: -----begin-cut----- Received-Spf: Pass (mailfrom) identity=mailfrom; client-ip=209.85.167.51; helo=mail-lf1-f51.google.com; envelope-from=gmkarl@gmail.com; receiver=<UNKNOWN> Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=wuoW8fe3vleDWwRQdkOEzpCdCDRHbCjOlyvrrheNPIk=; b=tEQQyf82sNOpmHV/yW8AMr06zqXLFizOSh2r5Dle2RELW90TWFBCTAl2sMQz0pbiZ/ 2STegzVtFCOCKGfYgJivwIx5OgJd5LssfUB3gYQyrm0yKdzRG+eEnzckdUoBiWQuX0qM o+IKpYhJtwY4Ft+h0TDfqQH64m3p+4pVTpyjfnfGwA3vC+8ckcRs1qz3SosggBdBV31m d01C0vZPrWNdCaj98sCZOI5H5vk6xWcbFllCVELN1/bqFZvbbeDmLoS/898U7Fzxa1Dk aEYQ+ESRKa2YCo/j7VUjlWSFKPSvrVht+rd6I4aB+FMYVKAGhnBDu1Mo22clwUXXRVVH 71Fg== X-Google-Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=wuoW8fe3vleDWwRQdkOEzpCdCDRHbCjOlyvrrheNPIk=; b=rAezP2YENrtDiDhih8jG0sJ8GtJ1TTGqy4zOx2kaIeKX9Bxw8aPQf0bOi4zV22FkaR wpA0fGczxaBWhsHt2kwREQZvironbUbEBHHaISLt5cIJJag8Ctv7lo2vCqS0Y/RTR4Y0 MNQTdv+hSoomip+qV/uRTjM+60bf7p9GkZGQ/X7mHTDoeFyQLAgRy6tDUtPPTfO8aXJy lJimTfTVotu2uIK/DMdjizAJ8LKwsgJqQsE0YjMx7DXfGk+47wabRpk1fhttG/etofoF QOeaBgU38eWY569VULr28U4r/Lvogax4Aof0QHnIleqfS8QVJxC21jOUzYHIbhvJRgWK Ppvw== X-Gm-Message-State: AOAM533p9tfSdPSJcMEEawNcXZSVox4HkcujRWhaudXIPyql1b3iP6u2 MO8+loN7/h1vAImuQPlxzAIOwe8zTiefQKBBENOL1EaG X-Google-Smtp-Source: ABdhPJwQX0Ukd0XXGKcgETkuW2Aiixrl5UL5zP2qz6FkJL0yU8RtrY9xYw5MRclvwFHQPQ8MhbFUDR8txC6ImNFwRWA= X-Received: by 2002:a2e:9797:: with SMTP id y23mr39133887lji.358.1609835488129; Tue, 05 Jan 2021 00:31:28 -0800 (PST) From: Karl <gmkarl@gmail.com> Date: Tue, 5 Jan 2021 03:31:27 -0500 Message-Id: <CALL-=e6+_c3N4LnHkybCEbm4bwXbcufpaVdyV3i=9XjyZJX=7w@mail.gmail.com> -----end-cut----- the DKIM signatures in particular allow anyone to verify that your email was sent from Google, and is indeed intact. for more information, see this detailed explanation of all the gmail headers your emails contain, including the integrity and authentication functions. https://emailheaders.net/gmail.html note that this is indeed separate from other authentication mechanisms like PGP/GPG signatures. best regards,