[wp-trac] [WordPress Trac] #31775: wp_mail attachments support only ascii symbols

[WordPress Trac]

#31775: wp_mail attachments support only ascii symbols
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 Reporter:  Fike         |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Mail         |     Version:  4.1.1
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:
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Description changed by SergeyBiryukov:

Old description:

> Hi.
> Currently `wp_mail()` passes it's attachments directly to PHPMailer, and
> that results in taking file basename as attachment name. Basename seems
> to behave not normal on non-ascii symbols, for example `/сontacts.png`
> (the first 'c' is russian) will be truncated as `ontacts.png`. Apart from
> that, even if it would be basename'd correctly, it won't be utf8-encoded
> as required by standard (`=?utf-8?B?base64?=`), and that will probably
> result in broken mails and/or rejected mails.
>
> So i'm proposing to implement functionality for manual attachment naming
> and/or automatic basenaming filenames and encoding attachment names
> according to [http://tools.ietf.org/html/rfc2047 standard].
>
> [https://core.trac.wordpress.org/ticket/28407 #28407] is tightly bound to
> this request.

New description:

 Hi.
 Currently `wp_mail()` passes it's attachments directly to PHPMailer, and
 that results in taking file basename as attachment name. Basename seems to
 behave not normal on non-ascii symbols, for example `/сontacts.png` (the
 first 'c' is russian) will be truncated as `ontacts.png`. Apart from that,
 even if it would be basename'd correctly, it won't be utf8-encoded as
 required by standard (`=?utf-8?B?base64?=`), and that will probably result
 in broken mails and/or rejected mails.

 So i'm proposing to implement functionality for manual attachment naming
 and/or automatic basenaming filenames and encoding attachment names
 according to [http://tools.ietf.org/html/rfc2047 standard].

 #28407 is tightly bound to this request.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31775#comment:1>
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