Are you trying to send and receive emails with Mozilla Thunderbird, but are you getting the error '538'?
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On this page, you will find more information about the most common causes and most relevant solutions for the Mozilla Thunderbird error '538'. Do you need help straight away? Visit our support page.
We've created a list of solutions which you can follow if you want to solve this Mozilla Thunderbird problem yourself. Do you need more help? Visit our support page if you need professional support with Mozilla Thunderbird right away.
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