feat: self-hosted postfix

prisma/migrations/20250120212500_add_email_logs/migration.sql

@@ -0,0 +1,23 @@
+-- CreateTable
+CREATE TABLE "email_logs" (
+    "id" SERIAL NOT NULL,
+    "recipient" TEXT NOT NULL,
+    "subject" TEXT,
+    "message_id" TEXT,
+    "status" TEXT NOT NULL,
+    "sent_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "error_message" TEXT,
+    "bounce_type" TEXT,
+    "bounce_details" JSONB,
+
+    CONSTRAINT "email_logs_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "email_logs_recipient_idx" ON "email_logs"("recipient");
+
+-- CreateIndex
+CREATE INDEX "email_logs_status_idx" ON "email_logs"("status");
+
+-- CreateIndex
+CREATE INDEX "email_logs_sent_at_idx" ON "email_logs"("sent_at");