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cannot send messages

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foXrum
foXrum
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hi, i can receive but not send messages anymore. i've got three email accounts. the accounts from my internet provider (whose i 'm using its SMTP server) is working fine and i can receive message with this account. the other two accounts don't send.

this is the error: An error occurred while sending mail. The mail server replied: MAIL FROM: <______________> does not match authenticated user name. Please check your email address in your account settings and try again.

i checked all settings and they look ok. i found out that if i change the port from 587 with password to 25 without password i can send email. this can't be a solution as it's a not secure connection and moreover it doesn't always work.

how to solve this? thanks

hi, i can receive but not send messages anymore. i've got three email accounts. the accounts from my internet provider (whose i 'm using its SMTP server) is working fine and i can receive message with this account. the other two accounts don't send. this is the error: An error occurred while sending mail. The mail server replied: MAIL FROM: <______________> does not match authenticated user name. Please check your email address in your account settings and try again. i checked all settings and they look ok. i found out that if i change the port from 587 with password to 25 without password i can send email. this can't be a solution as it's a not secure connection and moreover it doesn't always work. how to solve this? thanks

Επιλεγμένη λύση

ok i have found the solution. i have added new SMTP server with different settings for each account. since today i have always used my ISP SMTP server...

thanks

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Zenos
Zenos
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In order for us to better investigate this issue you need to add a little more non-personal information.

Please add the troubleshooting information to your post To find the Troubleshooting information:

  • Open Help (or click on three-line-icon and select Help)
  • Choose Troubleshooting Information
  • Use the button Copy to clipboard to select all. Do not check box "Include account names"!
  • Paste this in your post.

Please also add the result of these troubleshooting steps to your post

  • Does Thunderbird work in TB Safe mode (see Thunderbird Safe Mode)?
  • Do you use anti-virus and firewall software? What is the version?
  • Who is the email provider?
  • Who is the internet provider?

Please post back with this information and any other questions you might have.

foXrum
foXrum Ιδιοκτήτης ερώτησης
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Επιλεγμένη λύση

ok i have found the solution. i have added new SMTP server with different settings for each account. since today i have always used my ISP SMTP server...

thanks