SUMMARY

Due to caching with HTTPMail there is a lag time when updating passwords, which can make any change to a password on the server not take effect immediately.

DETAIL

It is possible to lower the expiry time on the cache by editing the following registry key, but it will decrease the performance slightly under load.

[HKEY_LOCAL_MACHINE\SOFTWARE\Mail Enable\Mail Enable\Services\HTTPMAIL]
"Credential Cache TimeOut"=dword:00000708

The value is in seconds.

How to configure a HTTPMail client: http://www.mailenable.com/kb/content/article.asp?ID=ME020031

How to debug the HTTPMail protocol using the Outlook Express Maintenance tools: http://www.mailenable.com/kb/content/article.asp?ID=ME020039