[openstreetmap/openstreetmap-website] unable to reply to messages - "unparsable header" (#1708)

Martin Edenhofer notifications at github.com
Mon Jan 29 21:39:46 UTC 2018


> hmm, can you please send me two messages - one with, one without non-ascii chars ?

Attached two simple mails. You can verify it via rails console (call mail gem directly
[examples.zip](https://github.com/openstreetmap/openstreetmap-website/files/1675345/examples.zip))

```
> Mail.new(IO.binread('path/to/mail-with-umlaut.eml'))
WARNING: Ignoring unparsable header "From marc.smith at example.com  Mon May  7 07:45:48 2012\nFrom: marc.smith at example.com (Marc Smith)\nTo: <support at example.com>\nSubject: Re: XXXX Betatest Ticket Templates [Ticket#11162]\nContent-Type: text/plain; charset=UTF-8; format=flowed\nContent-Transfer-Encoding: 8bit\n\nAm 07.05.2012 08:10, schrieb:\n> Hallo Marc,\n>\n> Here an Umlaut is comming \"\xC3\xBC\". :-D": invalid header name syntax: "From marc.smith at example.com  Mon May  7 07"
 => #<Mail::Message:70344875104420, Multipart: false, Headers: > 
```

Without it's working fine:

```
> Mail.new(IO.binread('path/to/mail-without-umlaut.eml'))
 => #<Mail::Message:70344865634620, Multipart: false, Headers: <From: marc.smith at example.com (Marc Smith)>, <To: <support at example.com>>, <Subject: Re: XXXX Betatest Ticket Templates [Ticket#11162]>, <Content-Type: text/plain; charset=UTF-8; format=flowed>, <Content-Transfer-Encoding: 8bit>> 
```

If you downgrade mail gem 2.6.6 it's working fine.

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