diff --git a/client/basic/client.ts b/client/basic/client.ts
index 13b283d..5ae4d5c 100644
--- a/client/basic/client.ts
+++ b/client/basic/client.ts
@@ -151,10 +151,10 @@ export class SMTPClient {
       writeCMD("MIME-Version: 1.0");
 
       const boundaryAdditionAtt = calcBoundary(
-        config.mimeContent.map(v => v.content).join("\n") + "\n"
-        + config.attachments.map(v => v.content).join("\n"),
-        new RegExp("--attachment([0-9]+)", "g")
-      )
+        config.mimeContent.map((v) => v.content).join("\n") + "\n" +
+          config.attachments.map((v) => v.content).join("\n"),
+        new RegExp("--attachment([0-9]+)", "g"),
+      );
 
       const attachmentBoundary = `attachment${boundaryAdditionAtt}`;
 
@@ -165,9 +165,9 @@ export class SMTPClient {
       writeCMD(`--${attachmentBoundary}`);
 
       const boundaryAdditionMsg = calcBoundary(
-        config.mimeContent.map(v => v.content).join("\n"),
-        new RegExp("--message([0-9]+)", "g") 
-      )
+        config.mimeContent.map((v) => v.content).join("\n"),
+        new RegExp("--message([0-9]+)", "g"),
+      );
 
       const messageBoundary = `message${boundaryAdditionMsg}`;
 
diff --git a/client/basic/encode/attachment.ts b/client/basic/encode/attachment.ts
index ff62025..6d6bd17 100644
--- a/client/basic/encode/attachment.ts
+++ b/client/basic/encode/attachment.ts
@@ -4,11 +4,7 @@ type writer = (...args: string[]) => Promise<void>;
 
 export function encodeAttachment(writeCMD: writer, attachment: Attachment) {
   writeCMD(
-    `Content-Type: ${
-      attachment.contentType
-    }; name=${
-      attachment.filename
-    }`
+    `Content-Type: ${attachment.contentType}; name=${attachment.filename}`,
   );
 
   if (attachment.contentID) {
@@ -44,7 +40,7 @@ export function encodeAttachment(writeCMD: writer, attachment: Attachment) {
     writeCMD("\r\n");
   } else if (attachment.encoding === "text") {
     writeCMD(
-      "Content-Transfer-Encoding: quoted-printable\r\n"
+      "Content-Transfer-Encoding: quoted-printable\r\n",
     );
 
     writeCMD(attachment.content + "\r\n");
diff --git a/client/basic/encode/content.ts b/client/basic/encode/content.ts
index fdfc062..bd3ea90 100644
--- a/client/basic/encode/content.ts
+++ b/client/basic/encode/content.ts
@@ -8,9 +8,7 @@ export function encodeContent(writeCMD: writer, content: Content) {
   );
   if (content.transferEncoding) {
     writeCMD(
-      `Content-Transfer-Encoding: ${
-        content.transferEncoding
-      }\r\n`,
+      `Content-Transfer-Encoding: ${content.transferEncoding}\r\n`,
     );
   } else {
     // Send new line
diff --git a/client/basic/encode/related.ts b/client/basic/encode/related.ts
index 4406480..5fe6c0a 100644
--- a/client/basic/encode/related.ts
+++ b/client/basic/encode/related.ts
@@ -7,13 +7,15 @@ type writer = (...args: string[]) => Promise<void>;
 
 export function encodeRelated(writeCMD: writer, content: Content) {
   if (!content.relatedAttachments) {
-    throw new Error("Content does not contain relatedAttachments. Cannot encode as related.");
+    throw new Error(
+      "Content does not contain relatedAttachments. Cannot encode as related.",
+    );
   }
 
   const boundaryAddRel = calcBoundary(
-    content.content + "\n"
-    + content.relatedAttachments.map(v => v.content).join("\n"),
-    new RegExp("--related([0-9]+)", "g")
+    content.content + "\n" +
+      content.relatedAttachments.map((v) => v.content).join("\n"),
+    new RegExp("--related([0-9]+)", "g"),
   );
 
   const relatedBoundary = `related${boundaryAddRel}`;
diff --git a/config/mail/content.ts b/config/mail/content.ts
index b3dbe22..2a502f7 100644
--- a/config/mail/content.ts
+++ b/config/mail/content.ts
@@ -1,4 +1,4 @@
-import { resolveAttachment, Attachment } from "./attachments.ts";
+import { Attachment, resolveAttachment } from "./attachments.ts";
 import { quotedPrintableEncode } from "./encoding.ts";
 
 export interface Content {
@@ -44,7 +44,9 @@ export function resolveContent({
     };
 
     if (relatedAttachments) {
-      newMime.relatedAttachments = relatedAttachments.map(attachment => resolveAttachment(attachment))
+      newMime.relatedAttachments = relatedAttachments.map((attachment) =>
+        resolveAttachment(attachment)
+      );
     }
     newContent.push(newMime);
   }