Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Natao arisiva ity resaka mitohy ity. Mametraha fanontaniana azafady raha mila fanampiana.

SMTP at charter.net now rejects e-mail messages from addresses that do not match the STMP login which is a problem for TB with where SMTP logins are shared.

  • 1 valiny
  • 1 manana an'ity olana ity
  • 29 views
  • Valiny farany nomen'i sfhowes

more options

My Thunderbird settings are unchanged after many YEARS of successful use and MULTIPLE charter.net e-mail accounts.

Outbound messages now fail with: "An error occurred while sending mail. The mail server responded 5.1.0 <wycoff_it@charter.net> sender rejected. AUP#O-1580. Please verify that your e-mail address is correct in your account settings."

Since multiple Thunderbird e-mail accounts share a "pool" of possible SMTP servers and logins, TB will remain unusable on providers which require the sender e-mail address to match the SMTP login (unless the sending e-mail account randomly matches the corresponding SMTP server login). This appears to be a new "security measure" added by charter.net. It does not affect e-mail applications which associate a specific SMTP server and login with each e-mail account (UNLIKE Thunderbird). Is there any potential fix for this?

My Thunderbird settings are unchanged after many YEARS of successful use and MULTIPLE charter.net e-mail accounts. Outbound messages now fail with: "An error occurred while sending mail. The mail server responded 5.1.0 <wycoff_it@charter.net> sender rejected. AUP#O-1580. Please verify that your e-mail address is correct in your account settings." Since multiple Thunderbird e-mail accounts share a "pool" of possible SMTP servers and logins, TB will remain unusable on providers which require the sender e-mail address to match the SMTP login (unless the sending e-mail account randomly matches the corresponding SMTP server login). This appears to be a new "security measure" added by charter.net. It does not affect e-mail applications which associate a specific SMTP server and login with each e-mail account (UNLIKE Thunderbird). Is there any potential fix for this?

All Replies (1)

more options

You can associate each account with its corresponding smtp server. Open Tools/Account Settings, select Outgoing Server (SMTP) at the bottom left pane, then Add or Edit smtp servers for each charter account. Use mobile.charter.net on port 587, SSL/TLS security, authentication = normal password, User name = email address.

Then, select an account in the left pane of Account Settings and click the drop-down next to Outgoing Server (SMTP) in the right pane to select the correct smtp server.