Configure your e-mail application to receive desired e-mails
This is the email address to add to your contacts.
 
Thunderbird

Step 1: Open or preview the email in Thunderbird

 
thunderbird step 1
 
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Step 2: Right-click on the sender address and choose 'add to address book'

 
thunderbird step 2
 
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Step 3: Click 'OK' on the dialog box.

 
thunderbird step 3
 
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