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Microsoft® Outlook 2010 is not Sending E-mails

Trishna About Trishna

is a tech blogger and writer, constantly diving deep in the technology world. She enjoys writing on the different shades of tech – whether it is gadgets, apps, software or devices. When she is not writing or excavating technological findings throughout the internet, she is busy checking the latest apps and gadgets for herself…

Microsoft Outlook 2010 works well with most of its features but there are cases when they create problems while sending e-mails. The issue with sending mails in Microsoft Outlook 2010 is mainly when some attachments are there in the mail and the messages while sending gets stuck and you are unable to proceed. This problem can be due to the Internet connection, due to the Microsoft Outlook 2010 settings or it can also be due to the corrupted Microsoft Outlook 2010 profile. If the wrong SMTP server and port number are used then there may be problem in sending the mails in Microsoft Outlook 2010. If you have some antivirus scanner or other software on the server, it may be the cause for not sending e-mails in Microsoft Outlook 2010. Another possible cause is that if the user is utilizing cached mode and has a mailbox over 2 GB in size, it will result in sending error. If your PST file is damaged or corrupted or having some problems of over sized PST file, while trying to send you may come across several types of error messages.

Following are the possible ways to fix the problems due to which Microsoft Outlook 2010 does not send e-mails:

  • Create new Microsoft Outlook profile
  • Reduce the mailbox size
  • Check settings

Create New Microsoft Outlook Profile
While sending e-mails in Microsoft Outlook 2010, the messages get stuck because of the corrupted Microsoft Outlook 2010 profile for which you need to create a new profile. Go to Start menu and choose the control panel option. There click on the mail option then click to show profile and click add option. You need to type the name for the profile and then start Microsoft Outlook 2010 and choose the new profile that you created and then try sending the mails.

Reduce the Mailbox Size
Another reason for not receiving mails in Microsoft Outlook 2010 is the user utilizing cached mode and has a mailbox over 2 GB in size. This is due to the offline file present on the user’s computer that has a size limitation of 2 GB and will not allow mail to be sent or received. To overcome this problem you need to delete all the old unwanted messages and turn off the cache mode.

Check Settings
Sometimes you may find problem while sending e-mails in Microsoft Outlook 2010 and will receive error messages saying that you are unable to log on to SMTP server. For this you need to check the settings in Microsoft Outlook 2010 and also check your e-mail address. You need to authenticate the outgoing server and use the same setting for incoming mail server.

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One Comment

    Now I understood why I was not able to send any mail through my Microsoft Outlook 2010. I cleared all my unwanted mails and attached files time to time but I think something is wrong with the settings of my account. However, with your solutions, I think I could solve this problem rather easily. You have given the details in an uncomplicated way and anyone who is less knowledgeable could handle this issue alone. Thanks for the information iYogi.

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