Outlook 2010 Won't Send


  1. Posts : 3,028
    Windows 7 Ultimate (x64) SP1
       #1

    Outlook 2010 Won't Send


    Since upgrading, I can't send from my Work account. It just times out. The account is IMAP connected by SSL. No problems when I used 2007 and I just sent from my phone so I know the account is working. Settings haven't changed and are correct. I've tried disabling all add ins.
    Any ideas?
      My Computer


  2. Posts : 5,056
    Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
       #2

    Check if antivirus is interfering. Disable antivirus check of outgoing mail.
      My Computer


  3. Posts : 3,028
    Windows 7 Ultimate (x64) SP1
    Thread Starter
       #3

    It's definitely not my AV. It just won't connect to to port 443 (SSL). 2007 worked no problem. Problem only happened since upgrading today.
      My Computer


  4. Posts : 5,056
    Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
       #4

    Try sending with SSL off.
      My Computer


  5. Posts : 3,028
    Windows 7 Ultimate (x64) SP1
    Thread Starter
       #5

    Bill2 said:
    Try sending with SSL off.
    Won't work. It will only connect to the server using SSL.
      My Computer


  6. Posts : 5,056
    Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
       #6

    Can you test connectivity to port 443? It may be blocked by a firewall or some network settings.
      My Computer


  7. Posts : 3,028
    Windows 7 Ultimate (x64) SP1
    Thread Starter
       #7

    Bill2 said:
    Can you test connectivity to port 443? It may be blocked by a firewall or some network settings.
    It's not. Like I said, all was fine under 2007 and nothing has changed except I now use 2010. The firewall's not blocking anything, the account's working because I can send on my phone. The only change is 2010. I even deleted the account and started again. Same problem. Can receive but not send. It only happens on this account. Gmail and Hotmail accounts work.
      My Computer


  8. Posts : 5,056
    Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
       #8

    Yes, but gmail and hotmail would be using different outgoing ports.
      My Computer


  9. Posts : 2
    Vista / Win 7 / OS X Leopard
       #9

    Do you have an active VPN connection? This will interfere with your outgoing mail.
    It would help if you post the full error you receive.
      My Computer


  10. Posts : 2
    windows 7 Ultimate 32-bit
       #10

    Outlook 2010 won't send my email either


    I have similar problem. I can recieve email, but not send. I get "421 Cannot Connect to SMT".
    Everything was working perfectly until I upgraded to Office 2010 and outlook 2010 from outlook 2003. I was on the phone with my Verizon DSL ISP tech support for an hour attempting to fix it, verifying all settings were correct and trying different port numbers. I reloaded Office and Outlook 2010, moved some mail to a new .PST file, nothing works.
      My Computer


 

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