RFC-violating Content-Transfer-Encoding header

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  • #1735363

    The “Activate ralphcorderoy” email I just received from (email redacted) ends the headers with


    Content-Type: multipart/alternative;
    boundary="b1_d6f7a7912dabccf69ce9130965f76239"
    Content-Transfer-Encoding: quoted-printable

    The RFCs state that the only allowable C-T-Es for multipart/alternative are 7bit, 8bit, and binary; Q-P is invalid. This causes my MUA to refuse to display the email. See http://tools.ietf.org/html/rfc2045#section-6.4

    I first noticed this problem with “New comment” emails from the Random ASCII blog, sent by (email redacted).

    #1735449

    Foiled by lack of preview. Here’s those two headers again.

    Content-Type: multipart/alternative; boundary=”b1_d6f7a7912dabccf69ce9130965f76239″

    Content-Transfer-Encoding: quoted-printable

    #1735617

    Does this forum thread count as reporting a bug in WordPress’s eyes or is there a formal bug tracker somewhere? I’d like to see agreement that it’s wrong even if it takes a while to fix.

    #1735618

    hafizr
    Staff

    Hi there,

    I’m not quite sure which part of WordPress is causing the issue, whether it’s from the code that’s custom-made for WordPress.com, or a generic code available in any installation of WordPress. In fact, I’m not quite sure where/how this issue happens.

    From your mention of “New comment email”, it seems to me that you’re referring to WordPress’s email notification function. If that’s the case, it *might* be a common WordPress issue, for which you can submit bugs via the steps mentioned in the Codex:

    http://codex.wordpress.org/Reporting_Bugs

    #1735619

    It might be a PHPMailer issue, see https://github.com/PHPMailer/PHPMailer/issues/219

    #1735620

    raincoaster
    Member

    I tagged it for staff attention.

    #1735630

    Hi there,

    I have brought this to the attention of our developers for further review. I’ll let you know as soon as I know more!

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