Click the menu item 'File -> Mail Merge' (Thunderbird 78 / 91) / 'Tools -> Mail Merge' (Thunderbird 102) or the toolbar button 'Mail Merge' (Thunderbird 78 / 91 / 102).Add the subject (variables are supported).Add the contact(s)or the variable(s) into the To field, e.g.:.Create a New Message ('File -> New -> Message').

Mail Merge solves these problems by creating an individual and personalized message for each recipient in the To field from a draft message - locally on your computer without the need to trust third party services! - Step by Step: (Address Book) Screenshots: Draft Message | Draft Message | Draft Message | Mail Merge Dialog Of course there are third party services, that help you to send newsletters but you have to trust them. (You cannot work around this problem.) You can work around some of these problems, but especially the last problem cannot be solved without creating individual messages. (You can work around this problem by creating multiple messages.) 3) You cannot personalize the message. (You can work around this problem by adding the recipients in the Bcc field.) 2) Most email providers limit the number of recipients in the To / Cc / Bcc field. Donation: Please show your appreciation with a donation, thanks! 5 Euro | 10 Euro | 15 Euro | 20 Euro | 25 Euro 5 Dollar | 10 Dollar | 15 Dollar | 20 Dollar | 25 Dollar - Description: If you want to send a message to multiple recipients, there are a few common problems: 1) When you add the recipients in the To field, the recipients will see each other. This change is caused by the new 'pills' in Thunderbird 78. See: Changelog - Variable(s) in the To field in Thunderbird 78 / 91 / 102: You must hit 'Enter' or 'Tab' once you have added the variable(s) in the To field. Attachments in Thunderbird 102: There is an important change in the way (individual) attachments are specified in the Mail Merge Dialog. Most of the code has been ported from a MailExtension 'Experiment' to a 'Pure' MailExtension. IMPORTANT: Mail Merge 9.0.0 is a major update from the previous version 8.4.0.

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