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mail function works incorrectly in PHP8 alpine builds #1327

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speller opened this issue Aug 30, 2022 · 5 comments
Closed

mail function works incorrectly in PHP8 alpine builds #1327

speller opened this issue Aug 30, 2022 · 5 comments

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@speller
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speller commented Aug 30, 2022 •
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I'm using latest PHP 8.1 alpine image with the following sendmail version:

/magento # sendmail --help
BusyBox v1.34.1 (2022-07-19 20:11:24 UTC) multi-call binary.

The mail function sends headers and body with \r\n line delimiters according to standards and passes this data to sendmail. But sendmail converts all line-endings to \r\r\n making the whole mail broken.

A related issue in the PHP repo: php/php-src#8086 (closed as PHP does everything correctly).
@wglambert
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I'm guessing it's busybox-specific, have you tried the non-alpine version?

@tianon
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tianon commented Aug 30, 2022

Yeah, that seems pretty busybox-specific (and I can't imagine sendmail in busybox really does what you'd expect from a "proper" working sendmail configuration even if it didn't have whatever this quirk is 😅).

https://pkgs.alpinelinux.org/contents?file=sendmail&branch=v3.16&arch=x86_64 includes a few alternative options you should probably consider installing in your image. 👀

For further help, I would suggest a dedicated support forum, such as the Docker Community Forums, the Docker Community Slack, or Stack Overflow.

@tianon tianon closed this as completed Aug 30, 2022
@speller
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speller commented Sep 1, 2022

@wglambert @tianon I suppose you as the maintainers should be aware of the issue because one of the basic PHP features is non-functional in Alpine images. This is not a bug of PHP, this may be a bug of Busybox, but why users of the image should apply workarounds and not maintainers? Of course, I will do something because I need it, but I think the way when core PHP functionality doesn't work because maintainers don't care is not the best way.

@speller
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speller commented Sep 1, 2022

@wglambert

have you tried the non-alpine version?

How can I do that?

@speller
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speller commented Sep 1, 2022 •
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@tianon

includes a few alternative options you should probably consider installing in your image

I just tried ssmtp but the result is the same.

Here is the beginning of an email:

Message-ID: [email protected]
Received: from a1056cb82c1a by mailhog.example (MailHog)
          id [email protected]; Thu, 01 Sep 2022 01:01:48 +0000
Return-Path: <php@a1056cb82c1a>

Received: by a1056cb82c1a (sSMTP sendmail emulation); Thu, 01 Sep 2022 01:01:48 +0000
From: php@a1056cb82c1a
To: =?utf-8?Q?ssdfsdf?= <[email protected]>

Subject: =?UTF-8?Q?[#EVA-60262]=20Ticket=20created:=20Order=20-=20I=20want=20to=20?=

 =?UTF-8?Q?know=20the=20status=20of=20my=20order.?=

Date: Thu, 01 Sep 2022 01:01:43 +0000

MIME-Version: 1.0

Content-Type: text/html;

 charset="utf-8"

Content-Transfer-Encoding: quoted-printable

Content-Disposition: inline



<!-- HDU_REPLY_MARKER --><br><div class=3D"aw-hdu-reply-marker">Please t=

ype your reply above this line.</div><br><!DOCTYPE html PUBLIC "-//W3C//=

DTD XHTML 1.0 Strict//EN" "http:https://www.w3.org/TR/xhtml1/DTD/xhtml1-strict=

=2Edtd">=0A<html xmlns=3D"http:https://www.w3.org/1999/xhtml" style=3D"font-size=

: 62.5%; -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; fon=

t-size-adjust: 100%; background-color: #fff;">=0A<head>=0A    <meta http=

-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">=0A    <m=

eta name=3D"viewport" content=3D"initial-scale=3D1.0, width=3Ddevice-wid=

th">=0A    <meta http-equiv=3D"X-UA-Compatible" content=3D"IE=3Dedge">=

=0A    <style type=3D"text/css">=0A        .aw-hdu-note {color: gray; fo=

nt-size: 85%;} .aw-hdu-reply-marker {background-color: lightgray; font-s=

ize: 85%; text-align: center;}=0A=0A        @import url("https://maxcdn.=

bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css");=0Ahtml {=

=0A  font-size: 62.5%;=0A  -webkit-text-size-adjust: 100%;=0A  -ms-text-=

All mail data sent from PHP has extra line breaks.

Can it be that something is wrong on the OS level, not on the application level?

@speller speller changed the title sendmail works incorrectly in PHP8 alpine builds mail function works incorrectly in PHP8 alpine builds Sep 1, 2022
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3 participants
@tianon @speller @wglambert