diff --git a/README.md b/README.md
index 2d942b1..1450deb 100644
--- a/README.md
+++ b/README.md
@@ -275,6 +275,7 @@ export interface SendConfig {
    */
   internalTag?: string | symbol;
   headers: Record<string, string>;
+  rawSubject?: boolean;
 }
 ```
 
@@ -307,6 +308,14 @@ to binary.
 This can be used with preprocessors so you can give mail a type, for example
 `'registration'`, `'newsletter'` etc. supports symbols and strings.
 
+#### rawSubject
+
+The library always encodes the email subject to quoted-printable to conform to the standards.
+
+Unfortunately, some popular UI clients, for example, Gmail, do not display quoted-printable subjects correctly. Instead, though, they deal perfectly with non-ascii values in the subject, displaying them correctly.
+
+`rawSubject` option disables quoted-printable encoding for the subject.
+
 ### Allowed Mail Formats
 
 A single address `mail@example.de` with the name `NAME` can be encoded in the
diff --git a/config/mail/mod.ts b/config/mail/mod.ts
index 80ad9b5..e8a4578 100644
--- a/config/mail/mod.ts
+++ b/config/mail/mod.ts
@@ -39,6 +39,7 @@ export interface SendConfig {
    */
   internalTag?: string | symbol;
   headers?: Headers;
+  rawSubject?: boolean;
 }
 
 export interface ResolvedSendConfig {
@@ -76,6 +77,7 @@ export function resolveSendConfig(config: SendConfig): ResolvedSendConfig {
     attachments,
     internalTag,
     headers,
+    rawSubject,
   } = config;
 
   return {
@@ -91,7 +93,7 @@ export function resolveSendConfig(config: SendConfig): ResolvedSendConfig {
     }),
     replyTo: replyTo ? parseSingleEmail(replyTo) : undefined,
     inReplyTo,
-    subject: quotedPrintableEncodeInline(subject),
+    subject: rawSubject ? subject : quotedPrintableEncodeInline(subject),
     attachments: attachments
       ? attachments.map((attachment) => resolveAttachment(attachment))
       : [],