smtp/client: filter duplicate message recipients

eleith · May 26, 2020 · 265b88a · 265b88a
1 parent a9d6878
commit 265b88a
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/smtp/client.ts b/smtp/client.ts
@@ -66,11 +66,19 @@ export class Client {
  } as MessageStack;
 
  if (message.header.cc) {
- stack.to = stack.to.concat(addressparser(message.header.cc));
+ stack.to = stack.to.concat(
+ addressparser(message.header.cc).filter(
+ (x) => stack.to.some((y) => y.address === x.address) === false
+ )
+ );
  }
 
  if (message.header.bcc) {
- stack.to = stack.to.concat(addressparser(message.header.bcc));
+ stack.to = stack.to.concat(
+ addressparser(message.header.bcc).filter(
+ (x) => stack.to.some((y) => y.address === x.address) === false
+ )
+ );
  }
 
  if (

diff --git a/test/message.ts b/test/message.ts
@@ -60,6 +60,8 @@ test.cb('simple text message', (t) => {
  subject: 'this is a test TEXT message from emailjs',
  from: '[email protected]',
  to: '[email protected]',
+ cc: '[email protected]',
+ bcc: '[email protected]',
  text: 'hello friend, i hope this message finds you well.',
  'message-id': 'this is a special id',
  };