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when i sent mail through thunderbird,i have ''mail delivery failed''.When i sent same message from roundcube,no problem

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  • 1 has this problem
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  • Last reply by christ1

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i'm using thunderbird for the last weeks,everything was going normally.Then my mails to some specific receivers went spam,in the last days the mails fail to be delivered. when i sent the same mail from roundcube then it is delivered normally

i'm using thunderbird for the last weeks,everything was going normally.Then my mails to some specific receivers went spam,in the last days the mails fail to be delivered. when i sent the same mail from roundcube then it is delivered normally

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What is the full and exact error message you get?