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genkgo / mail

Library to send e-mails over different transports and protocols (like SMTP and IMAP) using immutable messages and streams. Also includes SMTP server.
https://mail.readthedocs.io/
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Long Japanese subject fails to decode on some mailers #96

Open riku22 opened 3 years ago

riku22 commented 3 years ago

Hello.

When I send an email with a long subject such as "あいうえおかきくけこさしすせそたちつてと", some mailers fail to decode. The Subject header is as follows.

Subject:
 =?UTF-8?B?44GC44GE44GG44GI44GK44GL44GN44GP44GR44GT44GV44GX44GZ44Gb
 44Gd44Gf44Gh44Gk44Gm44Go?=

It seems that it can be decoded normally by enclosing each line as shown below.

Subject:
 =?UTF-8?B?44GC44GE44GG44GI44GK44GL44GN44GP44GR44GT44GV44GX44GZ44Gb?=
 =?UTF-8?B?44Gd44Gf44Gh44Gk44Gm44Go?=

Is it possible to fix this?

Best regards.