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An error occurred while sending mail the mail server responded: 5.1.8 [F18] Sender email@example.com mailbox is unavailable... please verify that your email a
Yesterday 8/15/15 Thunderbird performed an automatic update when I opened it. Since then we can't send email from my wife's account, firstname.lastname@example.org. I tried sending from other accounts and the system worked OK. I checked the settings as suggested by the error message, and all seems ok.
An error occurred while sending mail. The mail server responded: 5.1.8 [F18] Sender email@example.com mailbox is unavailable.. Please verify that your email address is correct in your account settings and try again
This is the first problem we've experienced since we started using Thunderbird a couple of years ago.
edited emails from public and spambots.
Modified by James
I suggest you contact Hughes as that message is from their mail server advising the account is not available. I have no idea why tht is so, only Hughes would know.Read this answer in context 👍 1
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I suggest you contact Hughes as that message is from their mail server advising the account is not available. I have no idea why tht is so, only Hughes would know.
Thanks, Matt... I appreciate your help! Bill