diff --git a/app/Models/Tenants/MailLog.php b/app/Models/Tenants/MailLog.php
new file mode 100644
index 0000000..5bdde7f
--- /dev/null
+++ b/app/Models/Tenants/MailLog.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models\Tenants;
+
+use App\Traits\BelongsToTenant;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class MailLog extends Model
+{
+    use BelongsToTenant;
+
+    protected $fillable = [
+        'tenant_id',
+        'mailable_type',
+        'to_address',
+        'from_address',
+        'subject',
+        'status',
+        'sent_at',
+        'options',
+    ];
+
+    protected $casts = [
+        'sent_at' => 'datetime',
+        'options' => 'array',
+    ];
+
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class);
+    }
+
+    public function getOption(string $key, mixed $default = null): mixed
+    {
+        return data_get($this->options, $key, $default);
+    }
+
+    public function setOption(string $key, mixed $value): static
+    {
+        $options = $this->options ?? [];
+        data_set($options, $key, $value);
+        $this->options = $options;
+
+        return $this;
+    }
+}
diff --git a/app/Models/Tenants/TenantMailConfig.php b/app/Models/Tenants/TenantMailConfig.php
new file mode 100644
index 0000000..ec842a3
--- /dev/null
+++ b/app/Models/Tenants/TenantMailConfig.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace App\Models\Tenants;
+
+use App\Traits\Auditable;
+use App\Traits\BelongsToTenant;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class TenantMailConfig extends Model
+{
+    use Auditable, BelongsToTenant, SoftDeletes;
+
+    protected $fillable = [
+        'tenant_id',
+        'provider',
+        'from_address',
+        'from_name',
+        'reply_to',
+        'is_verified',
+        'daily_limit',
+        'is_active',
+        'options',
+        'created_by',
+        'updated_by',
+        'deleted_by',
+    ];
+
+    protected $casts = [
+        'is_verified' => 'boolean',
+        'daily_limit' => 'integer',
+        'is_active' => 'boolean',
+        'options' => 'array',
+    ];
+
+    // Options 키 상수
+    public const OPTION_SMTP = 'smtp';
+
+    public const OPTION_PRESET = 'preset';
+
+    public const OPTION_BRANDING = 'branding';
+
+    public const OPTION_CONNECTION_TEST = 'connection_test';
+
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class);
+    }
+
+    public function getOption(string $key, mixed $default = null): mixed
+    {
+        return data_get($this->options, $key, $default);
+    }
+
+    public function setOption(string $key, mixed $value): static
+    {
+        $options = $this->options ?? [];
+        data_set($options, $key, $value);
+        $this->options = $options;
+
+        return $this;
+    }
+
+    public function getSmtpHost(): ?string
+    {
+        return $this->getOption('smtp.host');
+    }
+
+    public function getSmtpPort(): int
+    {
+        return (int) $this->getOption('smtp.port', 587);
+    }
+
+    public function getSmtpEncryption(): string
+    {
+        return $this->getOption('smtp.encryption', 'tls');
+    }
+
+    public function getSmtpUsername(): ?string
+    {
+        return $this->getOption('smtp.username');
+    }
+
+    public function getSmtpPassword(): ?string
+    {
+        $encrypted = $this->getOption('smtp.password');
+        if (! $encrypted) {
+            return null;
+        }
+
+        try {
+            return decrypt($encrypted);
+        } catch (\Exception $e) {
+            return null;
+        }
+    }
+
+    public function getPreset(): ?string
+    {
+        return $this->getOption('preset');
+    }
+}
diff --git a/database/migrations/2026_03_12_100000_create_tenant_mail_configs_table.php b/database/migrations/2026_03_12_100000_create_tenant_mail_configs_table.php
new file mode 100644
index 0000000..c1f40ce
--- /dev/null
+++ b/database/migrations/2026_03_12_100000_create_tenant_mail_configs_table.php
@@ -0,0 +1,38 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('tenant_mail_configs', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id')->comment('테넌트 ID');
+            $table->string('provider', 20)->default('platform')->comment('발송 방식: platform, smtp, ses, mailgun');
+            $table->string('from_address', 255)->comment('발신 이메일');
+            $table->string('from_name', 255)->comment('발신자명');
+            $table->string('reply_to', 255)->nullable()->comment('회신 주소');
+            $table->boolean('is_verified')->default(false)->comment('도메인 검증 여부');
+            $table->unsignedInteger('daily_limit')->default(500)->comment('일일 발송 한도');
+            $table->boolean('is_active')->default(true)->comment('활성 여부');
+            $table->json('options')->nullable()->comment('SMTP 설정, 브랜딩, 연결 테스트 결과');
+            $table->unsignedBigInteger('created_by')->nullable()->comment('생성자');
+            $table->unsignedBigInteger('updated_by')->nullable()->comment('수정자');
+            $table->unsignedBigInteger('deleted_by')->nullable()->comment('삭제자');
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->unique('tenant_id', 'uq_tenant_mail_configs');
+            $table->index(['tenant_id', 'is_active']);
+            $table->foreign('tenant_id')->references('id')->on('tenants')->cascadeOnDelete();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('tenant_mail_configs');
+    }
+};
diff --git a/database/migrations/2026_03_12_100001_create_mail_logs_table.php b/database/migrations/2026_03_12_100001_create_mail_logs_table.php
new file mode 100644
index 0000000..a9a1aa7
--- /dev/null
+++ b/database/migrations/2026_03_12_100001_create_mail_logs_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('mail_logs', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id')->comment('테넌트 ID');
+            $table->string('mailable_type', 100)->comment('Mailable 클래스명');
+            $table->string('to_address', 255)->comment('수신자');
+            $table->string('from_address', 255)->comment('발신자');
+            $table->string('subject', 500)->comment('제목');
+            $table->string('status', 20)->default('queued')->comment('상태: queued, sent, failed, bounced');
+            $table->timestamp('sent_at')->nullable()->comment('발송 시각');
+            $table->json('options')->nullable()->comment('에러 메시지, 재시도 횟수, 관련 모델');
+            $table->timestamps();
+
+            $table->index(['tenant_id', 'status'], 'idx_mail_logs_tenant_status');
+            $table->index(['tenant_id', 'created_at'], 'idx_mail_logs_tenant_date');
+            $table->index(['tenant_id', 'mailable_type'], 'idx_mail_logs_mailable');
+            $table->foreign('tenant_id')->references('id')->on('tenants')->cascadeOnDelete();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('mail_logs');
+    }
+};