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jgbohm
20th Anniversary celebration
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1st Reply

Frequent Visitor

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10 Messages

Thursday, March 5th, 2020 12:00 PM

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Duplicate emails being sent

Anyone ever get a response to this problem of emails being duplicated, (sent twice.)...why, and how to correct this?  Note many users asking this same question, but no resolution.

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Updated 

4 years ago

4.4K

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Latoque

Expert

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29.6K Messages

5 years ago

Usually it is due to a client being used by you.  How are you accessing the email?  With only the webmail interface and a browser?  Or a desktop client like Outlook?  Or the email app on a mobile device?

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jgbohm

Frequent Visitor

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10 Messages

5 years ago

I'm using Comcast's Xfinity to access my emails, and have been doing so for years.  It's only recently that sending an email duplicates it. 

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bettyalice

Regular Visitor

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4 Messages

5 years ago

This has been ongoing for some time.  I've noticed that I receive duplicate emails from other Comcast customers, and occasionally I seem to send duplicate emails.  My recipients (Comcast users and others) are getting annoyed.  I use Comcast's web-based email and Firefox is my browser.  I do not use Outlook.  I see a number of posts about this, but I don't see any solutions.  Solutions would be great.

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mtquick

Regular Visitor

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5 Messages

5 years ago

I have found numerous blogs everywhere asking the same question. How typical that Comcast never has a fix.  Been having the same issue for over a year.  I send myself an email and I get it in duplicate. You can always call the customer service hotline or utilize the online chat - they have the perfect response (even though because of their limited language skills they have no idea what you are explaining to them)  LET'S RESTART YOUR MODEM !!!  When that doesn't work they put you on hold and disconnect you

 

I am in the Chicagland area and have no real option but Comcast for internet- the Feds need to break them up the way they did AT&T a number of years ago

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nickt0917

Contributor

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12 Messages

4 years ago

Still going on - I have contacted Comcast 5 times to try and get it fixed. Absolutely NO help.

 

Time to move to Gmail, I guess

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XfinityGabrielS

Official Employee

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135 Messages

4 years ago

nicktulloh - Your duplicate emails are originating from Google. 

 

I see you have a forward set up to go to Gmail. My guess is in Gmail you have some rule that forwards your mail to Comcast. 

 

You can verify this by looking at the source of the duplicate emails by clicking on the menu in webmail and view source: 

- One of the messages will show from the original sender's servers

- The other duplicate email message will show from google 

Example : Received: from mail-ot1-x335.google.com ([IPv6:2607:f8b0:4864:20::335]) by resimta-po-19v.sys.comcast.net with ESMTP

 

 

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nickt0917

Contributor

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12 Messages

4 years ago

Don't think so. When I turn off my auto forward I get no emails in my Comcast account at all, but they still show in Gmail (once).

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nickt0917

Contributor

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12 Messages

4 years ago

Further, the source of the duplicate emails is identical

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mtshop2016

New Poster

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3 Messages

4 years ago

Nick. - Comcast is never going to admit fault. My last email issue was 14 missing emails from my credit card company. Comcast said the fault was on the senders end. Fortunately i had gmail set up as a secondary email with the credit card company. The 14 missing emails all showed up 6 weeks later in my comcast account at the same time - TWICE !

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XfinityGabrielS

Official Employee

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135 Messages

4 years ago

I double-checked a few of the logs and headers for this and still see the same result.  Feel free to directly message the headers of the duplicate emails so I can see what I am missing. 

 

You are looking for when Comcast received the message, which is typically a line or two above the spam score header. The example below shows it was received by Comcast.net from google.com just as an example.  Let us know what you find! 

 

 

  • Received: from mail-oi1-x234.google.com ([IPv6:2607:f8b0:4864:20::234])
  • by resimta-po-33v.sys.comcast.net with ESMTP
  • X-CAA-SPAM: F00000

 

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cschreck55

New Poster

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3 Messages

Where is the spam score header and what do you do when you find it? 

4 years ago

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CCDaryl

Problem Solver

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828 Messages

If you are viewing within the Comcast Webmail itself:

  1. Select a message or multiple messages.
  2. Click the three stacked lines from the toolbar to give you more actions from the drop-down menu.
  3. Choose View source to open the header information. 

If you are view from an Email Message:

  1. Open an email message.
  2. Click the three stacked lines to give you more actions from the drop-down menu.
  3. Choose View source to open the header information.

Mac Mail:

  1. In the Mail app on your Mac, choose View > Message > All Headers.
  2. To view fewer header fields again, choose View > Message > Default Headers.

Microsoft Outlook:

  1. Open Outlook.
  2. Double-click an email message to open it outside of the reading pane.
  3. Click File > Properties.
  4. Header information appears in the Internet headers box.
    Tip: You can highlight the information in that box, press Ctrl+C to copy and paste it into Notepad or Word to see the entire header at once.

Mozilla Thunderbird:

  1. Open the message in Thunderbird.
  2. Once the email is opened, click View from the menu bar.
  3. Under the View tab, choose Message Source to open the header information.

After you have found the full message header from the spam message:

  1. Compose a new email, with the following:
  2. After copying the header from the spam email, paste it into the email you just composed and hit Send.

I no longer work for Comcast.

4 years ago

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nickt0917

Contributor

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12 Messages

4 years ago

Wow, that was really buried in there. Hopefully this works.

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EG

Expert

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110K Messages

4 years ago

Year old dead thread now being closed.

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