Fix 'Mime-Version' case

As per RFC 2045, the correct way is "MIME-Version". At least one
email filter (Rspamd) is known to penalize the wrong case.
This commit is contained in:
Ian Moone 2017-11-10 14:40:09 +09:00
parent 840991a63a
commit e1b67a4815
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@ -60,7 +60,7 @@ class Header
const DISPOSITION_NOTIFICATION_TO = 'Disposition-Notification-To';
const X_CONFIRM_READING_TO = 'X-Confirm-Reading-To';
const MIME_VERSION = 'Mime-Version';
const MIME_VERSION = 'MIME-Version';
const X_MAILER = 'X-Mailer';
const X_MSMAIL_PRIORITY = 'X-MSMail-Priority';