Download the xpi file BlunderDelay 0.5.3 to your local disk. Use the Thunderbird extension manager to load the xpi from there.

BlunderDelay is also available for download at the Mozilla Addons site, but first goes through a voluteer vetting process that can take many weeks. The most recent version will always be available first here at

The blunderdelay project can be contacted through the mailing list or the member list.
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