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cannot send mail

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rayrhodes4246
rayrhodes4246
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After installing thunderbird 78.10.1 sending an email I get the error message: “An error occurred while sending mail. The mail server sent an incorrect greeting: resomtapo-11v sys.comcast.net IP 54.153.75.67 is not permitted to send messages. Contact support if you feel this is in error.”

After installing thunderbird 78.10.1 sending an email I get the error message: “An error occurred while sending mail. The mail server sent an incorrect greeting: resomtapo-11v sys.comcast.net IP 54.153.75.67 is not permitted to send messages. Contact support if you feel this is in error.”

Modified by Matt

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Matt
Matt
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Have you contacted comcast to ask their support why? that is what the error says to do it you think there has been an error. Personally I would like to know why, but I am guessing yet again that comcast have messed up their anti spam filters on their SMTP servers by blocking their own users.