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Tbird does not recognize outgoing SMTP server pass

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Yesterday 2 machines using T-bird, lost ability to send email. Outgoing server "SMTP" fail > enter password, not accepted.

Tested email via going to suddenlink.com > email > compose "test msg" > send > test msg > get new mail > Test msg OK!

Yesterday 2 machines using T-bird, lost ability to send email. Outgoing server "SMTP" fail > enter password, not accepted. Tested email via going to suddenlink.com > email > compose "test msg" > send > test msg > get new mail > Test msg OK!

Chosen solution

If this problem started Friday then the problem is most likely that Suddenlink has stopped supporting SMTP server on the legacy port 587.

Resolution is to change the values in Thunderbird. Highlight the email account - click on "View Settings for this Account" - Edit SMTP Server. Change the Connection Security to SSL/TSL. Port should now be 465, connection security now SSL/TLS and authentication method now Normal Password. Press okay, press okay and retry.

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  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0

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Jackb.luddite 3 solutions 10 answers

Chosen Solution

If this problem started Friday then the problem is most likely that Suddenlink has stopped supporting SMTP server on the legacy port 587.

Resolution is to change the values in Thunderbird. Highlight the email account - click on "View Settings for this Account" - Edit SMTP Server. Change the Connection Security to SSL/TSL. Port should now be 465, connection security now SSL/TLS and authentication method now Normal Password. Press okay, press okay and retry.

If this problem started Friday then the problem is most likely that Suddenlink has stopped supporting SMTP server on the legacy port 587. Resolution is to change the values in Thunderbird. Highlight the email account - click on "View Settings for this Account" - Edit SMTP Server. Change the Connection Security to SSL/TSL. Port should now be 465, connection security now SSL/TLS and authentication method now Normal Password. Press okay, press okay and retry.
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Question owner

ssl/tsl port 465 norm pass

Cool all is well, many thanks!!!!

ssl/tsl port 465 norm pass Cool all is well, many thanks!!!!
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Jackb.luddite 3 solutions 10 answers

Glad it worked. It really was most unkind of Suddenlink to stop their legacy SMTP server without telling anyone.

Glad it worked. It really was most unkind of Suddenlink to stop their legacy SMTP server without telling anyone.
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