This happens when you have Outlook set to automatically download pictures from the Internet and when the web server hosting the image is slow or not available.
With newsletters from upcoming web services, this is more likely to be the case but it can also happen when an email contains an excessive amount of pictures or when you have a slow connection yourself.
Block, prompt and do not permit exception
To set your Automatic Download settings a bit more stricter go to:
- Outlook 2003
Tools-> Options-> tab Security-> Change Automatic Download Settings… - Outlook 2007
Tools-> Trust Center…-> Automatic Download - Outlook 2010 and Outlook 2013
File-> Options-> Trust Center-> Trust Center Settings…-> Automatic Download
The safest configuration is as follows:
|
Enabled
Disabled
Disabled
Disabled
Disabled Enabled |