解决邮件安全配置难题：使用mlocati/spf-lib轻松管理SPF记录

<pre class="brush:php;toolbar:false;">composer require mlocati/spf-lib

<pre class="brush:php;toolbar:false;">use SPFLib\Checker;
use SPFLib\Check\Environment;

$checker = new Checker();
$environment = new Environment('1.2.3.4', 'helo.domain', 'sender@domain.com');
$checkResult = $checker->check($environment);

echo "验证结果: " . $checkResult->getCode() . PHP_EOL;

sender@domain.com

<pre class="brush:php;toolbar:false;">use SPFLib\Decoder;

$decoder = new Decoder();
try {
    $record = $decoder->getRecordFromDomain('example.com');
    if ($record) {
        foreach ($record->getTerms() as $term) {
            echo "Term: " . get_class($term) . PHP_EOL;
        }
    } else {
        echo "未找到 SPF 记录" . PHP_EOL;
    }
} catch (\SPFLib\Exception $e) {
    echo "解析 SPF 记录失败: " . $e->getMessage() . PHP_EOL;
}

example.com

<pre class="brush:php;toolbar:false;">use SPFLib\Record;
use SPFLib\Term\Mechanism;

$record = new Record('example.org');
$record
    ->addTerm(new Mechanism\MxMechanism(Mechanism::QUALIFIER_PASS))
    ->addTerm(new Mechanism\IncludeMechanism(Mechanism::QUALIFIER_PASS, 'example.com'))
    ->addTerm(new Mechanism\AllMechanism(Mechanism::QUALIFIER_FAIL));

echo "生成的 SPF 记录: " . (string) $record . PHP_EOL;

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