diff --git a/package-lock.json b/package-lock.json
index 0170a5b..128e249 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,8 @@
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         "dotenv": "^16.4.5",
-        "ts-node": "^10.9.2"
+        "ts-node": "^10.9.2",
+        "vitest": "^1.3.1"
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@@ -965,6 +966,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+    "node_modules/@jest/schemas": {
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+      "resolved": "https://registry.npmjs.org/@jest/schemas/-/schemas-29.6.3.tgz",
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+      "dev": true,
+      "dependencies": {
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+      },
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       "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.3.tgz",
@@ -1205,6 +1218,12 @@
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+    "node_modules/@sinclair/typebox": {
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+      "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.27.8.tgz",
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+      "dev": true
+    },
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+    "node_modules/@vitest/expect": {
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+      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-1.3.1.tgz",
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+      "dev": true,
+      "dependencies": {
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+        "@vitest/utils": "1.3.1",
+        "chai": "^4.3.10"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
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+    "node_modules/@vitest/runner": {
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+      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-1.3.1.tgz",
+      "integrity": "sha512-5FzF9c3jG/z5bgCnjr8j9LNq/9OxV2uEBAITOXfoe3rdZJTdO7jzThth7FXv/6b+kdY65tpRQB7WaKhNZwX+Kg==",
+      "dev": true,
+      "dependencies": {
+        "@vitest/utils": "1.3.1",
+        "p-limit": "^5.0.0",
+        "pathe": "^1.1.1"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/snapshot": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-1.3.1.tgz",
+      "integrity": "sha512-EF++BZbt6RZmOlE3SuTPu/NfwBF6q4ABS37HHXzs2LUVPBLx2QoY/K0fKpRChSo8eLiuxcbCVfqKgx/dplCDuQ==",
+      "dev": true,
+      "dependencies": {
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+        "pathe": "^1.1.1",
+        "pretty-format": "^29.7.0"
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+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
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+    "node_modules/@vitest/spy": {
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+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-1.3.1.tgz",
+      "integrity": "sha512-xAcW+S099ylC9VLU7eZfdT9myV67Nor9w9zhf0mGCYJSO+zM2839tOeROTdikOi/8Qeusffvxb/MyBSOja1Uig==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
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+    "node_modules/@vitest/utils": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-1.3.1.tgz",
+      "integrity": "sha512-d3Waie/299qqRyHTm2DjADeTaNdNSVsnwHPWrs20JMpjh6eiVq7ggggweO8rc4arhf6rRkWuHKwvxGvejUXZZQ==",
+      "dev": true,
+      "dependencies": {
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+        "estree-walker": "^3.0.3",
+        "loupe": "^2.3.7",
+        "pretty-format": "^29.7.0"
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+      "funding": {
+        "url": "https://opencollective.com/vitest"
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@@ -1562,6 +1650,15 @@
         "url": "https://github.com/sponsors/wooorm"
       }
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+    "node_modules/assertion-error": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
+      "dev": true,
+      "engines": {
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@@ -1893,6 +1990,15 @@
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+      "resolved": "https://registry.npmjs.org/cac/-/cac-6.7.14.tgz",
+      "integrity": "sha512-b6Ilus+c3RrdDk+JhLKUAQfzzgLEPy6wcXqS7f/xe1EETvsDP6GORG7SFuOs6cID5YkqchW/LXZbX5bc8j7ZcQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
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       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-7.0.1.tgz",
@@ -1940,6 +2046,24 @@
         "url": "https://github.com/sponsors/wooorm"
       }
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+    "node_modules/chai": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.4.1.tgz",
+      "integrity": "sha512-13sOfMv2+DWduEU+/xbun3LScLoqN17nBeTLUsmDfKdoiC1fr0n9PU4guu4AhRcOVFk/sW8LyZWHuhWtQZiF+g==",
+      "dev": true,
+      "dependencies": {
+        "assertion-error": "^1.1.0",
+        "check-error": "^1.0.3",
+        "deep-eql": "^4.1.3",
+        "get-func-name": "^2.0.2",
+        "loupe": "^2.3.6",
+        "pathval": "^1.1.1",
+        "type-detect": "^4.0.8"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
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@@ -1985,6 +2109,18 @@
         "url": "https://github.com/sponsors/wooorm"
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+    "node_modules/check-error": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.3.tgz",
+      "integrity": "sha512-iKEoDYaRmd1mxM90a2OEfWhjsjPpYPuQ+lMYsoxB126+t8fw7ySEO48nmDg5COTjxDI65/Y2OWpeEHk3ZOe8zg==",
+      "dev": true,
+      "dependencies": {
+        "get-func-name": "^2.0.2"
+      },
+      "engines": {
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@@ -2331,6 +2467,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.3.tgz",
+      "integrity": "sha512-WaEtAOpRA1MQ0eohqZjpGD8zdI0Ovsm8mmFhaDN8dvDZzyoUMcYDnf5Y6iu7HTXxf8JDS23qWa4a+hKCDyOPzw==",
+      "dev": true,
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+        "type-detect": "^4.0.0"
+      },
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+      }
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@@ -2413,6 +2561,15 @@
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+      "version": "29.6.3",
+      "resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-29.6.3.tgz",
+      "integrity": "sha512-EjePK1srD3P08o2j4f0ExnylqRs5B9tJjcp9t1krH2qRi8CCdsYfwe9JgSLurFBWwq4uOlipzfk5fHNvwFKr8Q==",
+      "dev": true,
+      "engines": {
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@@ -2801,6 +2958,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+    "node_modules/get-func-name": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
+      "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
+      "dev": true,
+      "engines": {
+        "node": "*"
+      }
+    },
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@@ -3491,6 +3657,22 @@
         "js-yaml": "bin/js-yaml.js"
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+      "resolved": "https://registry.npmjs.org/local-pkg/-/local-pkg-0.5.0.tgz",
+      "integrity": "sha512-ok6z3qlYyCDS4ZEU27HaU6x/xZa9Whf8jD4ptH5UZTQYZVYeb9bnZ3ojVhiJNLiXK1Hfc0GNbLXcmZ5plLDDBg==",
+      "dev": true,
+      "dependencies": {
+        "mlly": "^1.4.2",
+        "pkg-types": "^1.0.3"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      }
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@@ -3545,6 +3727,15 @@
         "url": "https://github.com/sponsors/wooorm"
       }
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+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
+      "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
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+    "node_modules/mlly": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/mlly/-/mlly-1.6.1.tgz",
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+      "dev": true,
+      "dependencies": {
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+        "pathe": "^1.1.2",
+        "pkg-types": "^1.0.3",
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@@ -4833,6 +5036,21 @@
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+      "resolved": "https://registry.npmjs.org/pathe/-/pathe-1.1.2.tgz",
+      "integrity": "sha512-whLdWMYL2TwI08hn8/ZqAbrVemu0LNaNNJZX73O6qaIdCTfXutsLhMkjdENX0qhsQ9uIimo4/aQOmXkoon2nDQ==",
+      "dev": true
+    },
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+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
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+      "dev": true,
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+        "node": "*"
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       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
@@ -4924,6 +5142,23 @@
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+      "resolved": "https://registry.npmjs.org/pkg-types/-/pkg-types-1.0.3.tgz",
+      "integrity": "sha512-nN7pYi0AQqJnoLPC9eHFQ8AcyaixBUOwvqc5TDnIKCMEE6I0y8P7OKA7fPexsXGCGxQDl/cmrLAp26LhcwxZ4A==",
+      "dev": true,
+      "dependencies": {
+        "jsonc-parser": "^3.2.0",
+        "mlly": "^1.2.0",
+        "pathe": "^1.1.0"
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+      "resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-3.2.1.tgz",
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+      "dev": true
+    },
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@@ -5164,6 +5399,32 @@
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+      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-29.7.0.tgz",
+      "integrity": "sha512-Pdlw/oPxN+aXdmM9R00JVC9WVFoCLTKJvDVLgmJ+qAffBMxsV85l/Lu7sNx4zSzPyoL2euImuEwHhOXdEgNFZQ==",
+      "dev": true,
+      "dependencies": {
+        "@jest/schemas": "^29.6.3",
+        "ansi-styles": "^5.0.0",
+        "react-is": "^18.0.0"
+      },
+      "engines": {
+        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
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+    "node_modules/pretty-format/node_modules/ansi-styles": {
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+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz",
+      "integrity": "sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
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@@ -5267,6 +5528,12 @@
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@@ -6208,6 +6487,12 @@
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@@ -6397,6 +6682,24 @@
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strip-literal/-/strip-literal-2.0.0.tgz",
+      "integrity": "sha512-f9vHgsCWBq2ugHAkGMiiYY+AYG0D/cbloKKg0nhaaaSNsujdGIpVXCNsrJpCKr5M0f4aI31mr13UjY6GAuXCKA==",
+      "dev": true,
+      "dependencies": {
+        "js-tokens": "^8.0.2"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      }
+    },
+    "node_modules/strip-literal/node_modules/js-tokens": {
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-8.0.3.tgz",
+      "integrity": "sha512-UfJMcSJc+SEXEl9lH/VLHSZbThQyLpw1vLO1Lb+j4RWDvG3N2f7yj3PVQA3cmkTBNldJ9eFnM+xEXxHIXrYiJw==",
+      "dev": true
+    },
     "node_modules/sucrase": {
       "version": "3.35.0",
       "resolved": "https://registry.npmjs.org/sucrase/-/sucrase-3.35.0.tgz",
@@ -6536,6 +6839,30 @@
         "node": ">=0.8"
       }
     },
+    "node_modules/tinybench": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.6.0.tgz",
+      "integrity": "sha512-N8hW3PG/3aOoZAN5V/NSAEDz0ZixDSSt5b/a05iqtpgfLWMSVuCo7w0k2vVvEjdrIoeGqZzweX2WlyioNIHchA==",
+      "dev": true
+    },
+    "node_modules/tinypool": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/tinypool/-/tinypool-0.8.2.tgz",
+      "integrity": "sha512-SUszKYe5wgsxnNOVlBYO6IC+8VGWdVGZWAqUxp3UErNBtptZvWbwyUOyzNL59zigz2rCA92QiL3wvG+JDSdJdQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/tinyspy": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/tinyspy/-/tinyspy-2.2.1.tgz",
+      "integrity": "sha512-KYad6Vy5VDWV4GH3fjpseMQ/XU2BhIYP7Vzd0LG44qRWm/Yt2WCOTicFdvmgo6gWaqooMQCawTtILVQJupKu7A==",
+      "dev": true,
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/to-fast-properties": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
@@ -6674,6 +7001,15 @@
         "node": "*"
       }
     },
+    "node_modules/type-detect": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/type-fest": {
       "version": "2.19.0",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.19.0.tgz",
@@ -6710,6 +7046,12 @@
         "semver": "^7.3.8"
       }
     },
+    "node_modules/ufo": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/ufo/-/ufo-1.4.0.tgz",
+      "integrity": "sha512-Hhy+BhRBleFjpJ2vchUNN40qgkh0366FWJGqVLYBHev0vpHTrXSA0ryT+74UiW6KWsldNurQMKGqCm1M2zBciQ==",
+      "dev": true
+    },
     "node_modules/undici-types": {
       "version": "5.26.5",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
@@ -6975,6 +7317,28 @@
         }
       }
     },
+    "node_modules/vite-node": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/vite-node/-/vite-node-1.3.1.tgz",
+      "integrity": "sha512-azbRrqRxlWTJEVbzInZCTchx0X69M/XPTCz4H+TLvlTcR/xH/3hkRqhOakT41fMJCMzXTu4UvegkZiEoJAWvng==",
+      "dev": true,
+      "dependencies": {
+        "cac": "^6.7.14",
+        "debug": "^4.3.4",
+        "pathe": "^1.1.1",
+        "picocolors": "^1.0.0",
+        "vite": "^5.0.0"
+      },
+      "bin": {
+        "vite-node": "vite-node.mjs"
+      },
+      "engines": {
+        "node": "^18.0.0 || >=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
     "node_modules/vitefu": {
       "version": "0.2.5",
       "resolved": "https://registry.npmjs.org/vitefu/-/vitefu-0.2.5.tgz",
@@ -6988,6 +7352,71 @@
         }
       }
     },
+    "node_modules/vitest": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-1.3.1.tgz",
+      "integrity": "sha512-/1QJqXs8YbCrfv/GPQ05wAZf2eakUPLPa18vkJAKE7RXOKfVHqMZZ1WlTjiwl6Gcn65M5vpNUB6EFLnEdRdEXQ==",
+      "dev": true,
+      "dependencies": {
+        "@vitest/expect": "1.3.1",
+        "@vitest/runner": "1.3.1",
+        "@vitest/snapshot": "1.3.1",
+        "@vitest/spy": "1.3.1",
+        "@vitest/utils": "1.3.1",
+        "acorn-walk": "^8.3.2",
+        "chai": "^4.3.10",
+        "debug": "^4.3.4",
+        "execa": "^8.0.1",
+        "local-pkg": "^0.5.0",
+        "magic-string": "^0.30.5",
+        "pathe": "^1.1.1",
+        "picocolors": "^1.0.0",
+        "std-env": "^3.5.0",
+        "strip-literal": "^2.0.0",
+        "tinybench": "^2.5.1",
+        "tinypool": "^0.8.2",
+        "vite": "^5.0.0",
+        "vite-node": "1.3.1",
+        "why-is-node-running": "^2.2.2"
+      },
+      "bin": {
+        "vitest": "vitest.mjs"
+      },
+      "engines": {
+        "node": "^18.0.0 || >=20.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "@edge-runtime/vm": "*",
+        "@types/node": "^18.0.0 || >=20.0.0",
+        "@vitest/browser": "1.3.1",
+        "@vitest/ui": "1.3.1",
+        "happy-dom": "*",
+        "jsdom": "*"
+      },
+      "peerDependenciesMeta": {
+        "@edge-runtime/vm": {
+          "optional": true
+        },
+        "@types/node": {
+          "optional": true
+        },
+        "@vitest/browser": {
+          "optional": true
+        },
+        "@vitest/ui": {
+          "optional": true
+        },
+        "happy-dom": {
+          "optional": true
+        },
+        "jsdom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/volar-service-css": {
       "version": "0.0.17",
       "resolved": "https://registry.npmjs.org/volar-service-css/-/volar-service-css-0.0.17.tgz",
@@ -7214,6 +7643,22 @@
         "node": ">=4"
       }
     },
+    "node_modules/why-is-node-running": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.2.2.tgz",
+      "integrity": "sha512-6tSwToZxTOcotxHeA+qGCq1mVzKR3CwcJGmVcY+QE8SHy6TnpFnh8PAvPNHYr7EcuVeG0QSMxtYCuO1ta/G/oA==",
+      "dev": true,
+      "dependencies": {
+        "siginfo": "^2.0.0",
+        "stackback": "0.0.2"
+      },
+      "bin": {
+        "why-is-node-running": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/widest-line": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-4.0.1.tgz",
diff --git a/package.json b/package.json
index ca3483d..c9df3ec 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
     "build": "astro build",
     "preview": "astro preview",
     "astro": "astro",
-    "migrate": "node ./scripts/migrate.js"
+    "test": "vitest",
+    "migrate": "node --loader ts-node/esm ./scripts/migrate.ts"
   },
   "dependencies": {
     "@astrojs/check": "^0.4.1",
@@ -27,6 +28,10 @@
   "devDependencies": {
     "@types/better-sqlite3": "^7.6.9",
     "dotenv": "^16.4.5",
-    "ts-node": "^10.9.2"
+    "ts-node": "^10.9.2",
+    "vitest": "^1.3.1"
+  },
+  "volta": {
+    "node": "21.6.2"
   }
 }
diff --git a/scripts/migrate.js b/scripts/migrate.ts
similarity index 83%
rename from scripts/migrate.js
rename to scripts/migrate.ts
index da45afa..bfc994d 100644
--- a/scripts/migrate.js
+++ b/scripts/migrate.ts
@@ -1,18 +1,7 @@
-import { Kysely, SqliteDialect, sql } from "kysely";
-import Database from "better-sqlite3";
-
 import "dotenv/config";
 
-const path = process.env.DATABASE_PATH;
-if (!path) {
-  throw new Error("DATABASE_PATH environment variable is not defined.");
-}
-console.log("Database path", path);
-const database = new Database(path);
-database.exec("PRAGMA journal_mode = WAL;");
-
-const dialect = new SqliteDialect({ database });
-const db = new Kysely({ dialect });
+import { sql } from "kysely";
+import { db } from "../src/db";
 
 const migrations = [
   db.schema
diff --git a/scripts/send-confirmation-reminder.js b/scripts/send-confirmation-reminder.js
deleted file mode 100644
index e5cb71c..0000000
--- a/scripts/send-confirmation-reminder.js
+++ /dev/null
@@ -1,149 +0,0 @@
-import { Kysely, SqliteDialect, sql } from "kysely";
-import Database from "better-sqlite3";
-
-import { z } from "zod";
-import { snakeCase } from "change-case";
-import { join } from "node:path";
-
-import "dotenv/config";
-
-// --- DB
-
-const path = process.env.DATABASE_PATH;
-if (!path) {
-  throw new Error("DATABASE_PATH environment variable is not defined.");
-}
-console.log("Database path", path);
-const database = new Database(path);
-database.exec("PRAGMA journal_mode = WAL;");
-
-const dialect = new SqliteDialect({ database });
-const db = new Kysely({ dialect });
-
-// --- email client
-
-const responseSchema = z.object({
-  status: z.union([z.literal("success"), z.literal("error")]),
-  data: z.record(z.any()),
-});
-
-function convertObjectKeys(obj, fn) {
-  const entries = Object.entries(obj).map(([key, val]) => [fn(key), val]);
-  return Object.fromEntries(entries);
-}
-
-class PostalError extends Error {
-  constructor(code, message) {
-    super(message);
-    this.name = code;
-  }
-}
-
-export function createClient({ host, key }) {
-  return {
-    async send(config) {
-      const url = join(host, "/api/v1/send/message");
-      const res = await fetch(url, {
-        method: "POST",
-        headers: {
-          "Content-Type": "application/json",
-          "X-Server-API-Key": key,
-        },
-        body: JSON.stringify(convertObjectKeys(config, snakeCase)),
-      });
-      const data = await res.json();
-      return data;
-    },
-  };
-}
-
-const host = process.env.POSTAL_HOST ?? "https://resend.cz";
-const key = process.env.POSTAL_KEY;
-
-if (!key) {
-  throw new Error("Postal API key not defined");
-}
-
-export const mailClient = createClient({ host, key });
-
-// -----
-
-const unconfirmedSubmissions = await db
-  .selectFrom("letters")
-  .select(["language", "email", "confirmationToken"])
-  .where("confirmed", "=", 0)
-  .execute();
-
-console.log("Unconfirmed submissions", unconfirmedSubmissions.length);
-
-for (const sub of unconfirmedSubmissions) {
-  const title = "Last chance to verify email";
-  const url = new URL(`${sub.language}/confirm/${sub.confirmationToken}`, process.env.PUBLIC_URL);
-  const values = {
-    subject: title,
-    from: `Let's stop dirty money <vig@re-set.cz>`,
-    to: [sub.email],
-    htmlBody: `<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>${title}</title>
-    <style>
-      body {
-        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
-          Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
-          "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
-      }
-      .button {
-        display: inline-block;
-        padding: 1em 2em;
-        background-color: #a71122;
-        color: white;
-        text-decoration: underline;
-        min-width: 150px;
-        text-align: center;
-      }
-      h1 {
-        font-weight: bold;
-        font-size: 1.5em;
-      }
-      p {
-        font
-      }
-      .rule {
-        border-bottom: 1px solid #ddd;
-      }
-      .separator {
-        color: #ddd;
-        margin-left: 0.25em;
-        margin-right: 0.25em;
-      }
-      .body {
-        font-size: 1.25em;
-      }
-    </style>
-  </head>
-  <body>
-    <div class="body">
-      <h1>Last chance to verify e-mail</h1>
-      <p>You have recently submitted message to Vienna Insurance Group, which is about to be sent to CEOs soon.</p>
-      <p>We just need to confirm your e-mail to make sure it really exists.</p>
-      <p>Please click following button to confirm your e-mail:</p>
-      <p><a class="button" href="${url}">Confirm e-mail</a></p>
-    </div>
-    <div class="rule"></div>
-    <p class="footer">
-      <strong>Re-set</strong><span class="separator">·</span>
-      <a href="https://re-set.cz/about-us" target="_blank">About</a><span class="separator">·</span>
-      <a href="https://www.facebook.com/PlatformaReset" target="_blank">Facebook</a><span class="separator">·</span>
-      <a href="https://www.instagram.com/reset_platforma/">Instagram</a><span class="separator">·</span>
-      <a href="https://twitter.com/reset_platforma" target="_blank">X</a>
-    </p>
-  </body>
-</html>`,
-  };
-  // console.log("values", values);
-  const result = await mailClient.send(values);
-  console.log(result);
-}
diff --git a/scripts/send-emails.ts b/scripts/send-emails.ts
new file mode 100644
index 0000000..dfb2a8e
--- /dev/null
+++ b/scripts/send-emails.ts
@@ -0,0 +1,104 @@
+import "dotenv/config";
+
+import { db } from "../src/db";
+import { getEntry, getCollection } from "astro:content";
+import { mailClient } from "../src/mail";
+import { setTimeout } from "node:timers/promises";
+
+export const prerender = false;
+
+const MAIL_FROM = process.env.MAIL_FROM || "vig@re-set.cz";
+
+const variantIds: Record<string, string> = {
+  "1": "oil-gas-policy",
+  "2": "coal-policy",
+  "3": "neptun-deep",
+};
+
+const variants = await getCollection("variants");
+
+export function getSubject(lang: string, variantNr: string) {
+  const variant = variants.find((v) => v.slug === `${lang}/${variantIds[variantNr]}`);
+  if (!variant) {
+    throw new Error("No variant");
+  }
+  return `VIG – ${variant.data.title}`;
+}
+
+async function processLetters() {
+  const letters = await db
+    .selectFrom("letters")
+    .where("confirmed", "=", 1)
+    .where("language", "=", "hu")
+    .where("id", ">", 177)
+    .select(["id", "firstName", "lastName", "language", "variant", "branch", "email", "message"])
+    .execute();
+
+  for (const letter of letters) {
+    const branch = await getEntry("branches", letter.branch as string);
+    const subject = getSubject(
+      letter.branch === "vig-holding" ? "en" : letter.language,
+      letter.variant
+    );
+    console.log("Subject", subject);
+
+    if (!branch) {
+      console.error("No branch", letter.branch);
+      continue;
+    }
+
+    for (const recipientEmail of branch.data.emails) {
+      console.log("sending", letter.id, "to", recipientEmail);
+      const message = await db
+        .insertInto("messages")
+        .values({
+          letterId: letter.id,
+          from: letter.email,
+          to: recipientEmail,
+          status: "pending",
+        })
+        .returning(["id"])
+        .executeTakeFirst();
+
+      if (!message) {
+        console.error("Error creating message");
+        continue;
+      }
+
+      const name = `${letter.firstName} ${letter.lastName}`;
+      const messageText =
+        letter.language === "hu"
+          ? letter.message.replace("Tisztelt Hölgyem,", "Tisztelt Hölgyem/Uram,")
+          : letter.message;
+
+      try {
+        const values = {
+          subject,
+          from: `${name} <${MAIL_FROM}>`,
+          to: [recipientEmail],
+          replyTo: `${name} <${letter.email}>`,
+          plainBody: messageText,
+        };
+        const result = await mailClient.send(values);
+        console.log(result);
+
+        await db
+          .updateTable("messages")
+          .set({ status: "success" })
+          .where("id", "=", message.id)
+          .execute();
+      } catch (error) {
+        console.log(error);
+        await db
+          .updateTable("messages")
+          .set({ status: "error" })
+          .where("id", "=", message.id)
+          .execute();
+      }
+
+      await setTimeout(2000);
+    }
+  }
+}
+
+await processLetters();
diff --git a/src/db/index.ts b/src/db/index.ts
index 672356b..a4681f3 100644
--- a/src/db/index.ts
+++ b/src/db/index.ts
@@ -1,7 +1,7 @@
 import { Kysely, SqliteDialect } from "kysely";
 import Database from "better-sqlite3";
 
-const path = import.meta.env.DATABASE_PATH;
+const path = process.env.DATABASE_PATH;
 const database = new Database(path);
 database.exec("PRAGMA journal_mode = WAL;");
 
diff --git a/src/mail.ts b/src/mail.ts
index 17441a4..ca56769 100644
--- a/src/mail.ts
+++ b/src/mail.ts
@@ -1,7 +1,7 @@
 import { createClient } from "./lib/postal-client";
 
-const host = import.meta.env.POSTAL_HOST ?? "https://resend.cz";
-const key = import.meta.env.POSTAL_KEY;
+const host = process.env.POSTAL_HOST ?? "https://resend.cz";
+const key = process.env.POSTAL_KEY;
 
 if (!key) {
   throw new Error("Postal API key not defined");
diff --git a/src/pages/[lang]/save.ts b/src/pages/[lang]/save.ts
index 206600e..ef04588 100644
--- a/src/pages/[lang]/save.ts
+++ b/src/pages/[lang]/save.ts
@@ -73,7 +73,7 @@ async function sendConfirmationEmail(
   const { t } = makeT(lang);
   const confirmationUrl = new URL(
     `${lang}/confirm/${letter.confirmationToken}`,
-    import.meta.env.PUBLIC_URL
+    process.env.PUBLIC_URL
   );
   const from = `${t("website_name")} <vig@re-set.cz>`;
 
diff --git a/tsconfig.json b/tsconfig.json
index bcbf8b5..1141028 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,3 +1,8 @@
 {
-  "extends": "astro/tsconfigs/strict"
+  "extends": "astro/tsconfigs/strict",
+  "ts-node": {
+    "experimentalSpecifierResolution": "node",
+    "transpileOnly": true,
+    "esm": true
+  }
 }