{"id":931,"date":"2015-02-02T21:58:41","date_gmt":"2015-02-02T20:58:41","guid":{"rendered":"https:\/\/vielhuber.de\/?p=931"},"modified":"2016-06-05T22:59:55","modified_gmt":"2016-06-05T20:59:55","slug":"mail-in-php-mit-utf-8-und-umlauten","status":"publish","type":"post","link":"https:\/\/vielhuber.de\/blog\/mail-in-php-mit-utf-8-und-umlauten\/","title":{"rendered":"mail() in PHP mit UTF-8 und Umlauten"},"content":{"rendered":"<p>Einen E-Mail-Versand mit PHP realisiert man am besten mit m\u00e4chtigen Klassen wie <a href=\"https:\/\/github.com\/PHPMailer\/PHPMailer\" target=\"_blank\">PHPMailer<\/a>. Komfortable Wrapper-Funktionen erm\u00f6glichen es, mit wenigen Zeilen Code Inhalte in UTF-8 zu verwenden, Bilder einzubetten und Anh\u00e4nge verschl\u00fcsselt zu versenden. Will man sich den Overhead sparen und entgegen der Empfehlung die PHP-Funktion <a href=\"http:\/\/php.net\/manual\/de\/function.mail.php\" target=\"_blank\">mail()<\/a> verwenden, st\u00f6\u00dft man sp\u00e4testens bei der Verwendung von Umlauten und UTF-8 auf Probleme.<\/p>\n<p><!--more--><\/p>\n<p>Nach Aufruf der Funktion mit<\/p>\n<pre><code class=\"php\">mail(\r\n   \"vieldav@gmx.de\",                          \/\/ Empf\u00e4nger\r\n   \"\u00e4 \u00f6 \u00fc \u00df\",                                 \/\/ Betreff\r\n   \"\u00e4 \u00f6 \u00fc \u00df\",                                 \/\/ Inhalt\r\n   \"From: \u00e4 \u00f6 \u00fc \u00df &lt;david@vielhuber.de&gt;\"       \/\/ Header (Absender)\r\n);<\/code><\/pre>\n<p>in einer UTF-8 kodierten Datei f\u00fchrt im Posteingang bereits zu Problemen: Outlook 2013 ist noch gn\u00e4dig und stellt alles korrekt dar:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-933\" src=\"https:\/\/vielhuber.de\/wp-content\/uploads\/mail1.jpg\" alt=\"mail1\" width=\"851\" height=\"141\" \/><\/p>\n<p>Aber schon GMX verzeiht die fehlenden Header nicht und zeigt einen missratenen Betreff, Absender und Inhalt:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-934\" src=\"https:\/\/vielhuber.de\/wp-content\/uploads\/mail2.jpg\" alt=\"mail2\" width=\"851\" height=\"197\" \/><\/p>\n<p>Sendet man die korrekten Header (beispielsweise mit base64_encode) mit, erh\u00e4lt man<\/p>\n<pre><code class=\"php\">mail(\r\n   \"vieldav@gmx.de\",                          \t\t\t\t  \/\/ Empf\u00e4nger\r\n   \"=?UTF-8?B?\".base64_encode(\"\u00e4 \u00f6 \u00fc \u00df\").\"?=\",                            \/\/ Betreff\r\n   \"\u00e4 \u00f6 \u00fc \u00df\",                                 \t\t\t \t  \/\/ Inhalt\r\n   \"Content-type: text\/plain; charset=utf-8\\r\\n\"\r\n  .\"From: =?UTF-8?B?\".base64_encode(\"\u00e4 \u00f6 \u00fc \u00df\").\"?=&lt;david@vielhuber.de&gt;\"   \/\/ Header (Absender)\r\n);<\/code><\/pre>\n<p>und schlie\u00dflich\u00a0zeigt\u00a0auch GMX eine korrekte\u00a0Darstellung:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-942\" src=\"https:\/\/vielhuber.de\/wp-content\/uploads\/mail3.jpg\" alt=\"mail3\" width=\"851\" height=\"197\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Einen E-Mail-Versand mit PHP realisiert man am besten mit m\u00e4chtigen Klassen wie PHPMailer. Komfortable Wrapper-Funktionen erm\u00f6glichen es, mit wenigen Zeilen Code Inhalte in UTF-8 zu verwenden, Bilder einzubetten und Anh\u00e4nge verschl\u00fcsselt zu versenden. Will man sich den Overhead sparen und entgegen der Empfehlung die PHP-Funktion mail() verwenden, st\u00f6\u00dft man sp\u00e4testens bei der Verwendung von Umlauten [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"gtbabel_prevent_lngs":"","gtbabel_alt_lng":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-931","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-blog"},"acf":[],"yoast_head":"<title>mail() in PHP mit UTF-8 und Umlauten &#060; Vielhuber David<\/title>\n<meta name=\"description\" content=\"Einen E-Mail-Versand mit PHP realisiert man am besten mit m\u00e4chtigen Klassen wie PHPMailer. 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