diff --git a/package-lock.json b/package-lock.json
index c183376..845e066 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,15 +13,15 @@
         "@astrojs/tailwind": "^5.1.0",
         "astro": "^4.3.2",
         "better-sqlite3": "^9.4.0",
+        "change-case": "^5.4.2",
+        "html-template-tag": "^4.0.1",
         "kysely": "^0.27.2",
-        "pg": "^8.11.3",
         "tailwindcss": "^3.4.1",
         "typescript": "^5.3.3",
         "zod": "^3.22.4"
       },
       "devDependencies": {
         "@types/better-sqlite3": "^7.6.9",
-        "@types/pg": "^8.11.0",
         "prisma": "^5.9.1",
         "prisma-kysely": "^1.7.1"
       }
@@ -1807,74 +1807,6 @@
       "integrity": "sha512-37i+OaWTh9qeK4LSHPsyRC7NahnGotNuZvjLSgcPzblpHB3rrCJxAOgI5gCdKm7coonsaX1Of0ILiTcnZjbfxA==",
       "dev": true
     },
-    "node_modules/@types/pg": {
-      "version": "8.11.0",
-      "resolved": "https://registry.npmjs.org/@types/pg/-/pg-8.11.0.tgz",
-      "integrity": "sha512-sDAlRiBNthGjNFfvt0k6mtotoVYVQ63pA8R4EMWka7crawSR60waVYR0HAgmPRs/e2YaeJTD/43OoZ3PFw80pw==",
-      "dev": true,
-      "dependencies": {
-        "@types/node": "*",
-        "pg-protocol": "*",
-        "pg-types": "^4.0.1"
-      }
-    },
-    "node_modules/@types/pg/node_modules/pg-types": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-4.0.2.tgz",
-      "integrity": "sha512-cRL3JpS3lKMGsKaWndugWQoLOCoP+Cic8oseVcbr0qhPzYD5DWXK+RZ9LY9wxRf7RQia4SCwQlXk0q6FCPrVng==",
-      "dev": true,
-      "dependencies": {
-        "pg-int8": "1.0.1",
-        "pg-numeric": "1.0.2",
-        "postgres-array": "~3.0.1",
-        "postgres-bytea": "~3.0.0",
-        "postgres-date": "~2.1.0",
-        "postgres-interval": "^3.0.0",
-        "postgres-range": "^1.1.1"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/@types/pg/node_modules/postgres-array": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-3.0.2.tgz",
-      "integrity": "sha512-6faShkdFugNQCLwucjPcY5ARoW1SlbnrZjmGl0IrrqewpvxvhSLHimCVzqeuULCbG0fQv7Dtk1yDbG3xv7Veog==",
-      "dev": true,
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@types/pg/node_modules/postgres-bytea": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-3.0.0.tgz",
-      "integrity": "sha512-CNd4jim9RFPkObHSjVHlVrxoVQXz7quwNFpz7RY1okNNme49+sVyiTvTRobiLV548Hx/hb1BG+iE7h9493WzFw==",
-      "dev": true,
-      "dependencies": {
-        "obuf": "~1.1.2"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
-    "node_modules/@types/pg/node_modules/postgres-date": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-2.1.0.tgz",
-      "integrity": "sha512-K7Juri8gtgXVcDfZttFKVmhglp7epKb1K4pgrkLxehjqkrgPhfG6OO8LHLkfaqkbpjNRnra018XwAr1yQFWGcA==",
-      "dev": true,
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@types/pg/node_modules/postgres-interval": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-3.0.0.tgz",
-      "integrity": "sha512-BSNDnbyZCXSxgA+1f5UU2GmwhoI0aU5yMxRGO8CdFEcY2BQF9xm/7MqKnYoM1nJDk8nONNWDk9WeSmePFhQdlw==",
-      "dev": true,
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/@types/retry": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/@types/retry/-/retry-0.12.0.tgz",
@@ -2681,14 +2613,6 @@
         "node": "*"
       }
     },
-    "node_modules/buffer-writer": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
-      "integrity": "sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw==",
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/camelcase": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-7.0.1.tgz",
@@ -2749,6 +2673,11 @@
         "node": ">=4"
       }
     },
+    "node_modules/change-case": {
+      "version": "5.4.2",
+      "resolved": "https://registry.npmjs.org/change-case/-/change-case-5.4.2.tgz",
+      "integrity": "sha512-WB3UiTDpT+vrTilAWaJS4gaIH/jc1He4H9f6erQvraUYas90uWT0JOYFkG1imdNv710XJ6gJvqynrgOHc4ihDA=="
+    },
     "node_modules/character-entities": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/character-entities/-/character-entities-2.0.2.tgz",
@@ -4278,11 +4207,24 @@
       "integrity": "sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==",
       "dev": true
     },
+    "node_modules/html-es6cape": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/html-es6cape/-/html-es6cape-2.0.2.tgz",
+      "integrity": "sha512-utzhH8rq2VABdW1LsPdv5tmxeMNOtP83If0jKCa79xPBgLWfcMvdf9K+EZoxJ5P7KioCxTs6WBnSDWLQHJ2lWA=="
+    },
     "node_modules/html-escaper": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-3.0.3.tgz",
       "integrity": "sha512-RuMffC89BOWQoY0WKGpIhn5gX3iI54O6nRA0yC124NYVtzjmFWBIiFd8M0x+ZdX0P9R4lADg1mgP8C7PxGOWuQ=="
     },
+    "node_modules/html-template-tag": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/html-template-tag/-/html-template-tag-4.0.1.tgz",
+      "integrity": "sha512-c8a1i2G4aKkas2CXqagh89hB6uzUxlU65gUPQkGhkiFImTEboUmBmMqXZhmoBRqtJtYLtCc2wofT/I7qJF+1Jw==",
+      "dependencies": {
+        "html-es6cape": "^2.0.0"
+      }
+    },
     "node_modules/html-void-elements": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/html-void-elements/-/html-void-elements-3.0.0.tgz",
@@ -6134,12 +6076,6 @@
         "node": ">= 6"
       }
     },
-    "node_modules/obuf": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/obuf/-/obuf-1.1.2.tgz",
-      "integrity": "sha512-PX1wu0AmAdPqOL1mWhqmlOd8kOIZQwGZw6rh7uby9fTc5lhaOWFLX3I6R1hrF9k3zUY40e6igsLGkDXK92LJNg==",
-      "dev": true
-    },
     "node_modules/on-finished": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
@@ -6401,11 +6337,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/packet-reader": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/packet-reader/-/packet-reader-1.0.0.tgz",
-      "integrity": "sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ=="
-    },
     "node_modules/parse-json": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-5.2.0.tgz",
@@ -6521,98 +6452,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/pg": {
-      "version": "8.11.3",
-      "resolved": "https://registry.npmjs.org/pg/-/pg-8.11.3.tgz",
-      "integrity": "sha512-+9iuvG8QfaaUrrph+kpF24cXkH1YOOUeArRNYIxq1viYHZagBxrTno7cecY1Fa44tJeZvaoG+Djpkc3JwehN5g==",
-      "dependencies": {
-        "buffer-writer": "2.0.0",
-        "packet-reader": "1.0.0",
-        "pg-connection-string": "^2.6.2",
-        "pg-pool": "^3.6.1",
-        "pg-protocol": "^1.6.0",
-        "pg-types": "^2.1.0",
-        "pgpass": "1.x"
-      },
-      "engines": {
-        "node": ">= 8.0.0"
-      },
-      "optionalDependencies": {
-        "pg-cloudflare": "^1.1.1"
-      },
-      "peerDependencies": {
-        "pg-native": ">=3.0.1"
-      },
-      "peerDependenciesMeta": {
-        "pg-native": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/pg-cloudflare": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/pg-cloudflare/-/pg-cloudflare-1.1.1.tgz",
-      "integrity": "sha512-xWPagP/4B6BgFO+EKz3JONXv3YDgvkbVrGw2mTo3D6tVDQRh1e7cqVGvyR3BE+eQgAvx1XhW/iEASj4/jCWl3Q==",
-      "optional": true
-    },
-    "node_modules/pg-connection-string": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.6.2.tgz",
-      "integrity": "sha512-ch6OwaeaPYcova4kKZ15sbJ2hKb/VP48ZD2gE7i1J+L4MspCtBMAx8nMgz7bksc7IojCIIWuEhHibSMFH8m8oA=="
-    },
-    "node_modules/pg-int8": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
-      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==",
-      "engines": {
-        "node": ">=4.0.0"
-      }
-    },
-    "node_modules/pg-numeric": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/pg-numeric/-/pg-numeric-1.0.2.tgz",
-      "integrity": "sha512-BM/Thnrw5jm2kKLE5uJkXqqExRUY/toLHda65XgFTBTFYZyopbKjBe29Ii3RbkvlsMoFwD+tHeGaCjjv0gHlyw==",
-      "dev": true,
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/pg-pool": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.6.1.tgz",
-      "integrity": "sha512-jizsIzhkIitxCGfPRzJn1ZdcosIt3pz9Sh3V01fm1vZnbnCMgmGl5wvGGdNN2EL9Rmb0EcFoCkixH4Pu+sP9Og==",
-      "peerDependencies": {
-        "pg": ">=8.0"
-      }
-    },
-    "node_modules/pg-protocol": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.6.0.tgz",
-      "integrity": "sha512-M+PDm637OY5WM307051+bsDia5Xej6d9IR4GwJse1qA1DIhiKlksvrneZOYQq42OM+spubpcNYEo2FcKQrDk+Q=="
-    },
-    "node_modules/pg-types": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.2.0.tgz",
-      "integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
-      "dependencies": {
-        "pg-int8": "1.0.1",
-        "postgres-array": "~2.0.0",
-        "postgres-bytea": "~1.0.0",
-        "postgres-date": "~1.0.4",
-        "postgres-interval": "^1.1.0"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/pgpass": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.5.tgz",
-      "integrity": "sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==",
-      "dependencies": {
-        "split2": "^4.1.0"
-      }
-    },
     "node_modules/picocolors": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
@@ -6834,47 +6673,6 @@
       "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz",
       "integrity": "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ=="
     },
-    "node_modules/postgres-array": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
-      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==",
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/postgres-bytea": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
-      "integrity": "sha512-xy3pmLuQqRBZBXDULy7KbaitYqLcmxigw14Q5sj8QBVLqEwXfeybIKVWiqAXTlcvdvb0+xkOtDbfQMOf4lST1w==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/postgres-date": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.7.tgz",
-      "integrity": "sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/postgres-interval": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
-      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
-      "dependencies": {
-        "xtend": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/postgres-range": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/postgres-range/-/postgres-range-1.1.4.tgz",
-      "integrity": "sha512-i/hbxIE9803Alj/6ytL7UHQxRvZkI9O4Sy+J3HGc4F4oo/2eQAjTSNJ0bfxyse3bH0nuVesCk+3IRLaMtG3H6w==",
-      "dev": true
-    },
     "node_modules/prebuild-install": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-7.1.1.tgz",
@@ -8358,14 +8156,6 @@
       "integrity": "sha512-eWN+LnM3GR6gPu35WxNgbGl8rmY1AEmoMDvL/QD6zYmPWgywxWqJWNdLGT+ke8dKNWrcYgYjPpG5gbTfghP8rw==",
       "dev": true
     },
-    "node_modules/split2": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
-      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
-      "engines": {
-        "node": ">= 10.x"
-      }
-    },
     "node_modules/sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -9687,14 +9477,6 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
     },
-    "node_modules/xtend": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
-      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
-      "engines": {
-        "node": ">=0.4"
-      }
-    },
     "node_modules/y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
diff --git a/package.json b/package.json
index 3a3d8bc..467204a 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,8 @@
     "@astrojs/tailwind": "^5.1.0",
     "astro": "^4.3.2",
     "better-sqlite3": "^9.4.0",
+    "change-case": "^5.4.2",
+    "html-template-tag": "^4.0.1",
     "kysely": "^0.27.2",
     "tailwindcss": "^3.4.1",
     "typescript": "^5.3.3",
diff --git a/src/lib/postal-client.ts b/src/lib/postal-client.ts
new file mode 100644
index 0000000..e98f3e6
--- /dev/null
+++ b/src/lib/postal-client.ts
@@ -0,0 +1,54 @@
+import { z } from "zod";
+import { snakeCase } from "change-case";
+import { join } from "node:path";
+
+interface ClientConfig {
+  key: string;
+  host: string;
+}
+
+/**
+ * For more options, see: http://apiv1.postalserver.io/controllers/send/message.html
+ */
+interface SendConfig {
+  to: Array<string>;
+  cc?: Array<string>;
+  bcc?: Array<string>;
+  from?: string;
+  sender?: string;
+  subject?: string;
+  replyTo?: string;
+  plainBody?: string;
+  htmlBody?: string;
+}
+
+const responseSchema = z.object({
+  status: z.union([z.literal("success"), z.literal("error")]),
+  data: z.record(z.any()),
+});
+
+function convertObjectKeys<T>(
+  obj: Record<string, any>,
+  fn: (key: string) => string
+): Record<string, any> {
+  const entries = Object.entries(obj).map(([key, val]) => [fn(key), val]);
+  return Object.fromEntries(entries);
+}
+
+export function createClient({ host, key }: ClientConfig) {
+  return {
+    async send(config: SendConfig) {
+      const url = join(host, "/api/v1/send/message");
+      const res = await fetch(url, {
+        headers: {
+          "Content-Type": "application/json",
+          "X-Server-API-Key": key,
+        },
+        body: JSON.stringify(convertObjectKeys(config, snakeCase)),
+      });
+      const data = await res.json();
+      const parsed = responseSchema.parse(data);
+      return parsed;
+    },
+  };
+}
diff --git a/src/mail.ts b/src/mail.ts
new file mode 100644
index 0000000..ad97391
--- /dev/null
+++ b/src/mail.ts
@@ -0,0 +1,6 @@
+import { createClient } from "./lib/postal-client";
+
+export const mailClient = createClient({
+  key: import.meta.env.POSTAL_KEY,
+  host: import.meta.env.POSTAL_HOST,
+});
diff --git a/src/mails/confirm-email.ts b/src/mails/confirm-email.ts
new file mode 100644
index 0000000..291fe97
--- /dev/null
+++ b/src/mails/confirm-email.ts
@@ -0,0 +1,46 @@
+import html from "html-template-tag";
+import { t } from "../i18n";
+
+interface Params {
+  lang: string;
+  href: string;
+}
+
+export default function renderMail({ lang, href }: Params) {
+  const htmlBody = html`<!DOCTYPE html>
+    <html lang="${lang}">
+      <head>
+        <meta charset="UTF-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+        <title>Potvrď prosím svůj e-mail</title>
+        <style>
+          body {
+            font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
+              Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
+              "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+          }
+          .button {
+            display: inline-block;
+            padding: 1.25em 2em;
+            background-color: #a71122;
+            color: white;
+            text-decoration: underline;
+          }
+          h1 {
+            font-size: 1.5em;
+          }
+        </style>
+      </head>
+      <body>
+        <h1>${t("confirm_email.title")}</h1>
+        <p>${t("confirm_email.body")}</p>
+        <p><a class="button" href="${href}">${t("confirm_email.link")}</a></p>
+      </body>
+    </html>`;
+
+  const plainBody = `# ${t("confirm_email.title")}
+
+${t("confirm_email.body")}
+${href}`;
+  return { htmlBody, plainBody };
+}
diff --git a/src/pages/[lang]/preview/confirm-email.html.ts b/src/pages/[lang]/preview/confirm-email.html.ts
new file mode 100644
index 0000000..9d2beb6
--- /dev/null
+++ b/src/pages/[lang]/preview/confirm-email.html.ts
@@ -0,0 +1,18 @@
+import renderMail from "../../../mails/confirm-email";
+import type { APIContext } from "astro";
+import type { Lang } from "../../../lang";
+
+export const prerender = false;
+
+interface Params extends Record<string, string> {
+  lang: Lang;
+}
+
+export async function GET({ params: { lang } }: APIContext<never, Params>) {
+  const { htmlBody } = renderMail({ lang, href: "" });
+  return new Response(htmlBody, {
+    headers: {
+      "Content-Type": "text/html",
+    },
+  });
+}
diff --git a/src/pages/[lang]/preview/confirm-email.txt.ts b/src/pages/[lang]/preview/confirm-email.txt.ts
new file mode 100644
index 0000000..9aa2ef3
--- /dev/null
+++ b/src/pages/[lang]/preview/confirm-email.txt.ts
@@ -0,0 +1,18 @@
+import renderMail from "../../../mails/confirm-email";
+import type { APIContext } from "astro";
+import type { Lang } from "../../../lang";
+
+export const prerender = false;
+
+interface Params extends Record<string, string> {
+  lang: Lang;
+}
+
+export async function GET({ params: { lang } }: APIContext<never, Params>) {
+  const { plainBody } = renderMail({ lang, href: "" });
+  return new Response(plainBody, {
+    headers: {
+      "Content-Type": "text/plain",
+    },
+  });
+}
diff --git a/src/pages/[lang]/send.ts b/src/pages/[lang]/send.ts
index 0c86334..01e8866 100644
--- a/src/pages/[lang]/send.ts
+++ b/src/pages/[lang]/send.ts
@@ -4,6 +4,8 @@ import { letterFormSchema } from "../../letter/schema";
 import { db } from "../../db";
 import { generateToken } from "../../utils";
 import { join } from "node:path";
+import { mailClient } from "../../mail";
+import renderMail from "../../mails/confirm-email";
 
 export const prerender = false;
 
@@ -40,23 +42,43 @@ export async function POST({ request, params: { lang }, redirect }: APIContext<n
 
   const confirmationToken = generateToken(32);
 
-  const { insertId } = await db
+  const letterRecord = await db
     .insertInto("Letter")
     .values({
       ...data,
       confirmationToken,
       subscribed: Number(data.subscribed),
     })
+    .returning(["id", "email", "firstName", "confirmationToken"])
     .executeTakeFirst();
 
-  if (insertId) {
-    sendConfirmationEmail(lang, insertId.toString(), confirmationToken);
+  if (letterRecord) {
+    sendConfirmationEmail(lang, letterRecord);
   }
 
   return redirect(`/${lang}/letter-sent`, 303);
 }
 
-async function sendConfirmationEmail(lang: Lang, id: string, token: string) {
-  const confirmationUrl = join(import.meta.env.BASE_URL, lang, "confirm", id, token);
-  console.log("Confirmation link: ", confirmationUrl);
+async function sendConfirmationEmail(
+  lang: Lang,
+  letter: { id: number; email: string; confirmationToken: string }
+) {
+  const subject = "Potvrď prosím svůj e-mail";
+  const confirmationUrl = join(
+    import.meta.env.BASE_URL,
+    lang,
+    "confirm",
+    String(letter.id),
+    letter.confirmationToken
+  );
+
+  const { htmlBody, plainBody } = renderMail({ lang, href: confirmationUrl });
+
+  mailClient.send({
+    subject,
+    from: import.meta.env.MAIL_DEFAULT_FROM,
+    to: [letter.email],
+    htmlBody,
+    plainBody,
+  });
 }