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Thunderbird email send problem using verizon.net. "Request Failed; Mailbox unavailable"

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  • Last reply by SuMo Bot

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I have multiple verizon.net email accounts on t-bird. All receive mail. I can only send from one of the verizon.net accounts. Error message says "Request Failed; Mailbox unavailable"

I have multiple verizon.net email accounts on t-bird. All receive mail. I can only send from one of the verizon.net accounts. Error message says "Request Failed; Mailbox unavailable"

Modified by Wayne Mery

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Thank you for your response

The account is labeled "Default" is the account that does send. Each of the other verizon.net accounts shows their own named server as outgoing. I have tried moving the default label to other accounts, but to no avail.

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Thank you for your response.

I tried most of what you suggested but to no avail. I think it is a verizon quirk. TBird allows me to send from as many GMail accounts as I need, so I will shift my (mostly) receive only accts from verizon to gmail.

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