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Multiple recipients check box

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When I send an email to just two recipients, Thunderbird has started to ask for confirmation to send to multiple recipients and suggest a mail merge instead. Does anyone know how to either switch this off, or increase the number of recipients to more than 10 to trigger it?

When I send an email to just two recipients, Thunderbird has started to ask for confirmation to send to multiple recipients and suggest a mail merge instead. Does anyone know how to either switch this off, or increase the number of recipients to more than 10 to trigger it?

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It 'sounds like' you have the mailmerge addon installed. You can set the options within the Addon itself.

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It 'sounds like' you have the mailmerge addon installed. You can set the options within the Addon itself.

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Thanks for that, I have spent ages trawling through settings but didnt realise it was an add-on doing it.