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Suddenly. cant send email messages in Firefox but can in IE

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Suddenly, when I try to mail any message or save it as a draft using Peoplepc webmail and MS Outlook Express via FireFox I get a message "Sendmail error. Your message may not have been sent. Try again" If I use IE Explorer everything works fine. Can anyone assist to resolve this?

''Suddenly'', when I try to mail any message or save it as a draft using Peoplepc webmail and MS Outlook Express via FireFox I get a message "Sendmail error. Your message may not have been sent. Try again" If I use IE Explorer everything works fine. Can anyone assist to resolve this?

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Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).