Mails sent with BCC did not reach recipients?

Martin Brinkmann
Nov 3, 2007
Updated • Mar 19, 2014
Email
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Emails can be send to several recipients at once either by adding multiple recipients to the To field, or by making use of the CC or BCC fields instead. CC stands for Carbon Corby which is usually used to add recipients that every other recipient in the To or CC field knows or communicates with, while BCC is used to hide recipients so that the email address of others is not displayed in the email.

The BCC option is the preferred method of sending out emails as newsletters or announcements, as it protects all email addresses from being shown to every recipient. This is a privacy issue and companies should take great care to make sure that they use BCC for mass emails.

We have seen it in the past that companies lumped all recipients together in the to or cc field of the email which infuriated some users.

The core reason for this is that their email address has been exposed to other users which not only opened up the door for other users knowing about the address, but also for emails being sold to spammers to make a quick buck or two.

email bcc only rejected

One of the problems associated with the BCC field is that emails using it may get rejected by mail servers. The main reason for this is if the sender failed to add at least one email address to the to field of the email. Mail programs, servers and filters may block email addresses without a to field so that it is best to make sure that at least one TO recipient is added to the list.

You can use an official email address for that, a no-reply email address, and even a throwaway email address even though I would not really recommend that as others may be able to read replies if you do the latter.

The best option to deal with this case is either to use an official reply address and add it to the To field, such as [email protected], or use a no-reply email address instead to let everyone know that they should not reply directly to the address.

It is a good idea to add information that the no-reply address is not monitored to the email so that users know that mails they send to the address won't be read by humans.

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Comments

  1. JMGG said on January 19, 2012 at 8:25 am
    Reply

    You said that Outlook isn’t your main email client, so which is your main one?

    1. BalaC said on January 19, 2012 at 9:42 am
      Reply

      I think its thunderbird

    2. Martin Brinkmann said on January 19, 2012 at 10:15 am
      Reply

      It is Mozilla Thunderbird.

  2. Salaam said on September 24, 2012 at 9:52 pm
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    Awesome! This actually solved my problem… what a stupid bug.

  3. Claud said on December 19, 2012 at 2:08 am
    Reply

    If this is the same bug that I’ve encountered, there may be another fix: (1) hover over open Outlook item in Taskbar, cursor up to hover over Outlook window item, and right-click; (2) this should give you Restore / Move / Size / Minimize / Maximize — choose Move or Size; (3) use your cursor keys, going arbitrarily N/S/E/W, to try to move or size the Outlook window back into view. Basically, the app behaves as though it were open in a 0x0 window, or at a location that’s offscreen, and this will frequently work to resize and/or move the window. Don’t forget to close while resized/moved, so that Outlook remembers the size/position for next time.

    1. Lynda said on February 12, 2013 at 3:37 pm
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      THANK YOU Claude!!! I could get the main window to launch but could not get any other message window to show on the desktop. You are my hero!!!!

    2. Chad said on November 20, 2018 at 4:24 pm
      Reply

      Solved my issue! 6 years later and this is still problem…

    3. Ivan X said on January 21, 2021 at 4:50 pm
      Reply

      Fantastic. Thank you. Size did the trick.

  4. Andrew said on October 26, 2013 at 7:06 am
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    This solved my Outlook problem, too. Thank you. :)

  5. Charles said on December 7, 2013 at 7:23 pm
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    Thank you so much, this started happening to me today and was causing big problems. You are a life saver, I hope I can help you in some way some day.

  6. garth said on November 7, 2014 at 7:13 pm
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    You are a god – thank you!

  7. Faisal said on February 9, 2015 at 10:09 am
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    thanks a lot…. work like charm.. :-)

  8. Simon said on March 24, 2015 at 11:36 pm
    Reply

    Yah…thanks Claude. I’ve been having the same problem and tried all the suggestions…your solution was the answer. It had resized itself to a 0/0 box. Cheers

  9. Olu said on April 14, 2015 at 1:35 pm
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    Excellent post. This had me baffled even trying to accurately describe the problem. This fixed it for me.
    Thank you

  10. Coenig said on July 23, 2015 at 7:36 am
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    Thanks a lot for the article. Don’t know why it happenend, don’t know how it got fixed, but it was really annoying and now it works :-)

  11. Fali said on January 20, 2016 at 4:19 pm
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    Thanks a lot. I was facing this issue from past 3 week. I tried everything but no resolution. The issue was happening intermittently and mainly when I was changing the display of screen ( as i use 2 monitors). The only option i had was to do system restore. But thanks to you.

    1. MIki said on January 10, 2019 at 11:54 am
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      I’ve been tried to sole this problem for 12hours. Your comment about changing the display of screen helped me a lot!! Thanks!!

  12. Christina said on January 20, 2016 at 6:14 pm
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    Thank you…don’t know why this happened but your instructions helped me fix it. Running Windows 10 and office pro 2007

  13. Oz said on July 22, 2016 at 3:20 pm
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    Great tip! Thanks!

  14. Tracy said on September 1, 2016 at 4:48 pm
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    Worked for me, too – thank you!!!

  15. shawn said on September 9, 2016 at 10:25 am
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    It’s Worked for me, too
    thank you very much!

  16. Jari said on October 31, 2016 at 11:53 am
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    I had a similar issue with Outlook 2013 on Windows 10 and this helped me to fix it. Thank you very much!

  17. Michel H said on November 30, 2016 at 11:08 pm
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    Thank you so much. Solved!
    Considering you published this in 2012, incredible not been debugged by Microsoft.
    Thank you again. M

  18. Ziad Bitar said on January 9, 2017 at 2:00 am
    Reply

    This problem was faced by only one user logging to TS 2008 r2 using outlook 2010.The issue was resolved.

    Thanks.

  19. Anonymous said on February 15, 2017 at 5:24 pm
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    Great tip. Thank you!!!! If it helps, I had to use the Control Key and the arrow keys at the same time to bring my window back into view. Worked like a charm.

  20. Rochelle said on March 6, 2017 at 11:59 am
    Reply

    Thank you, this worked !!!!

  21. anom1234 said on May 20, 2018 at 11:20 pm
    Reply

    Man, you are a fucking god. Thanks a lot, what an annoying bug!!

  22. JC said on October 12, 2020 at 2:14 pm
    Reply

    Awesome, this post solved the issue. Many thanks!

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