Unable to send email to gmail - using Outlook 2007

Not open for further replies.


I tried using gmail for a while a few months back...at which time I stopped opening Outlook 07. I decided gmail was not my cup of tea and began using Outlook once more.

But since closing my gmail account I have not been able to successfully send an email to any gmail account. The owner of a company I work with has gmail and we have successfully sent and received fine over the years. But now he does not receive anything I send him even though it appears in my "Sent" folder and I never receive any email telling me there was a problem.

I tried using his wife's gmail account for a test letter, but that did not come through either.

How do I troubleshoot this problem? Thanks for any help you can provide me with.

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
Gosh, that is a tough one. Without an NDR, its hard to tell what is wrong.

What antivirus/security software do you use? Is it scanning the email you send? (Some of the software blocks mail to certain mail providers.)

Try opening Outlook in Safe mode - can you send mail to gmai? If it works, its definitely an addin - probably antivirus - causing the problem. (Hold Ctrl as you click on the Outlook icon to start in Safe mode.)


Thanks for the reply. I am able to send to gmail...or it appears to send. I tried a test letter in safe mode as you prescribed. I will now know until tomorrow if it was received.

Not sure how to detect if my anti-virus (Avast and Malwarebytes Anti-Malware) is scanning outgoing mail. But I have had those programs in for a couple of years and have never changed their settings...and remember that I was able to send to gmail successfully around two months ago.

I was just wondering if I inadvertantly did something when cancelling my own gmail account that caused this.

But thank you for your reply. I will post tomorrow yea or nay about whether it got through.


Well it seems I was able to send it to gmail when I opened Outlook in safe-mode.

What do I do now? How do I find what safe-mode disabled? At least I know I can do it in safe-mode...that is a huge leap forward.
Not open for further replies.
Thread starter Similar threads Forum Replies Date
X Unable to send an email from one account to another on same PC Using Outlook 2
S unable to send email from my second address (outlook 2007) Using Outlook 2
S Unable to send or reeceive email in new Exchange 2010 Exchange Server Administration 0
K Re: Unable to send an email to a .mil address, I continue to recieve this error: 450 4.1.8 - Domain Using Outlook 2
D I am unable to send email Using Outlook 1
D Unable to Send Email Using Outlook 1
A Unable to send email Using Outlook 1
P Unable to send email using Outlook 2010 using Verizon ISP Using Outlook 3
K Outlook 2010~Unable to send email from draft folder Using Outlook 3
O Outlook 365 - suddenly unable to send using Gmail POP3 Using Outlook 10
D Unable to Send On Behalf of Another User Exchange Server Administration 0
R Unable to send mail using Cox.net Using Outlook 1
H Outlook 2010 unable to send iCloud account e-mail after iOS 7 upgrade Using Outlook 12
A Unable to send with attachments in Outlook 2013 (Exchange ActiveSync) Using Outlook 2
B unable to send to a hotmail.com account Using Outlook 4
N Unable to send emails Exchange Server Administration 0
U Unable to send message with attachment Exchange Server Administration 2
E Unable to send or receive emails Using Outlook 5
M Unable to receive or send e-mails in Microsoft outlook Using Outlook 2
A __Task 'pop-server.rr.com - Sending' reported error (0x800CCC78) : 'Unable to send the message. Plea Using Outlook 2
A Unable to send E-mail when it is being replied. Using Outlook 2
J Unable to accept calendar request when I send it to myself Using Outlook 1
A Outlook 2010 Exchange / SMTP: unable to send Using Outlook 2
K Recipients are unable to reveive pictures that I send as attachments in Outlook 2010 and Gmail Using Outlook 1
D I am able to send emails on Outlook, but unable to retrieve emails trying to come in. Using Outlook 1
H Outlook 2003 - can't send emails. Get this message from Norton Internet Security "was unable to be Using Outlook 2
S Unable to send/reply/forward emails Using Outlook 2
S Since outlook connector update unable to send mail Version 14.0.5117.5000 Errors: 4102& parsing MTOM Using Outlook 2
M Unable to Send\Receive in Outlook 2010. Error: "Operation Failed" Using Outlook 3
P unable to use Send To Mail Recipient or from any other program to Outlook 2010 Using Outlook 2
H Unable to reply or send emails from Outlook 2007 Using Outlook 20
M Outlook : unable to send/receive mails, frozen Using Outlook 2
R Unable to open your default e-mail folders. Outlook could not start because a data file to send and Using Outlook 2
H Outlook 2010. Unable to send\receive, Error 0x800CCCDD Using Outlook 1
J Unable to send out emails Using Outlook 2
J Unable to send out emails Using Outlook 2
S Unable to send emails through outlook, but able to recieve emails Using Outlook 2
J Unable to send emails. Error Ox800CCC80 Using Outlook 3
J Unable to send/recieve emails - Enter network password Using Outlook 3
S Unable to send picture files via Outlook. Using Outlook 2
O Send test e-mail message: Unable to send test Message. Please verify the E-mail Address field. Using Outlook 2
M unable to send receive emails after power cut isp details checked and ok Using Outlook 2
S Unable to Send or Receive E-mail - Outlook 2007 Using Outlook 6
H Unable to send & receive emails. Using Outlook 1
J Outlook 2003 with Outlook Connector - added new account, unable to view any items in inbox, nor send from that account. Help please! Using Outlook 7
L Unable to Sync Web/Android MS To Do with Windows Outlook Tasks Using Outlook 3
A Unable to save recurring Meeting to Documents folder due to error Using Outlook 2
S Outlook 2010 unable to change default font Using Outlook 7
Q Unable to Sync Quicken reminder with Outlook 2016 64Bit Using Outlook 1
S Unable to remove rule outlook 2010 Using Outlook 0
Similar threads