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e-mail problem

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  • Last reply by christ1

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Hi, lately there are some persons who can not send e-mail to me anymore. One person sent e-mail to me in many years but suddenly he got error report when try sending - my e-mail nordic@nordicactivity.se see attached the error notification. What to do?

Best regards Ralf

Hi, lately there are some persons who can not send e-mail to me anymore. One person sent e-mail to me in many years but suddenly he got error report when try sending - my e-mail nordic@nordicactivity.se see attached the error notification. What to do? Best regards Ralf
Attached screenshots

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You'll have to talk to your email provider. This has got nothing to do with Thunderbird.