I can receive email through Thunderbird but I can't send any emails. Who ever controls this can close this thread. I am not wasting anymore time with Thunderbird.
This all started when I cancelled Xfinity Internet and went to Frontier Internet. I had previously used Thunderbird for 8 years through Xfinity with no problems. I have contacted Xfinity and Frontier and both have told me it is a problem with a Thunderbird setting.
This is the error message I receive..........
Sending of the message failed. An error occured while sending mail: Outgoing mail server (smtp) error. The server responded: resomta-c2p-555920.sys.comcast.net resonta-c2p-555920 sys.comcast.net. Excessive failed authentication. ESMTP server temporarily not available.
I have since cancelled Thunderbird and removed the program from my laptop but still have it on my Desktop computer. I am still receiving the same error message on my desktop. Everything is the same setting it has been for eight years. The only change I made was cancelling my Xfinity TV, Internet and mobile phone service. I still have Xfinity email.
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Hi
The errror message:
Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: resomta-ch2-07v.sys.comcast.net resomta-ch2-07v.sys.comcast.net Excessive failed authentication, ESMTP server temporarily not available, please contact support.
Not a common error message. But this error message was sent by the Xfinity server. It means you have a program, app, or device that is periodically trying to sync email using perhaps an invalid UserID/password. If the number of login attempts exceeds the mail server's threshold it responds with that error message.
The fix is to locate the offending program, app, or device and update its settings or switch it off or stop it from auto synching.
One user said this: I had been on holiday and used my phone for a while - so I checked all devices again and then discovered my email was still logged in and running on their phone. I closed the email app on the phone and waited a couple of hours before trying to send email from the PC again. The Outgoing Server issue cleared and they haven't experienced any issues since.
Another user said this: I discovered my tablet had sync turned on for the Google Mail app and an old password for my comcast.net account. I logged into my comcast.net email account with the latest password. It downloaded all of the emails and then I turned sync off on that device. So it seems that fixing the login on my tablet has cleared this issue. I also turned off 'sync' on the tablet as I don't need to read my email on that device anymore.
You mention you have a desktop and a laptop. You need to find out if there are any other email clients auto running in the background on all devices. Also check any other device which may be trying to access the comcast account. Maybe there is a another email client operating in the background. You also need to find out whether both desktop and laptop have the correct passwords etc on both desktop and laptop.
It's also worth checking both laptop and desktop to make sure Thunderbird is all correct and up to date. Thunderbird keeps all passwords stored in this location, so you can check the password for incoming and outgoing smtp are correct - you do need to check this on both desktop and laptop.
In Thunderbird
- Settings > Privacy & Security'
- Scroll down to Passwords section
- Click on 'Saved Passwords'
- Click on 'Show Passwords'
If you have previous set up a 'Primary PAssword' then you will see the 'Use a Primary Password' checkbox was previously selected and that means Thunderbird is asking for that Primary Pasword' - this has nothing to do with mail account paswords.
If the checkbox 'Use a Primary Password' is NOT selected, so you never set that up: When you start up computer and logon to computer User Account or Microsoft account to see desktop then you need to enter that password.
Then you will be able to see the stored passwords. Please check all incoming and outgoing passwords to the user name = comcast account. Pop is mailbox://account.... Imap is imap://account... Smtp = smtp://account.... If any are not correct - Right click on line and select 'Edit Password' Completely remove all content and then type in the correct password.
Also make sure the 'username' is correct Right click on line and select 'Edit username' Completely clear and retype correct email address/username When all is ok click on Close Then Exit Thunderbird and allow some time for background processes to complete Start Thunderbird.
Please note this error can be cause by any mail app accessing server. If you have a phone then you need to switch it off because it will auto sync.
I suggest you only have one device at a time accessing the server.
Wow! Thanks very much. I am going to take my time and go through all of this. One more question..... I normally don't have my desktop turned on. Only when I need my scanner. So if it is off, it should not iterfere with my email? Am I correct in this assumtion? I didn't realize my phone could interfere so I will keep that off until I need it. I still have a landline phone for privacy.
OK, great instructions. I followed them exactly and found some mistakes, old passwords from more than a year ago. I corrected things according to your instructions and have shut Thunderbird down as you suggested. I will leave it until tomorrow morning and see how it is. Thank you very much!!
Ok, I found more problems in my Desktop. Wow! You are the first person that explained exactly what and how to look for. I knew nothing about these things but your instructions were incredible!! Now I will leave it alone and see if things work tommorrow morning. I have thunderbird closed in both computers and my phone is turned off. Thank you sooooo much!! Even if I still have some minor problem, I am so much further ahead than I have been for three months.
I tried again this morning. Still doesn't work. My desktop and phone are turned off but my laptop, even after all the corrections, still won't send emails. Now it won't even send a few. I get the same error message imediately.
Now I am totally consused. My phone has stopped receiving emails.
Now my phone has begun receiving emails again. No rhyme or reason. I am just not a computer genius so all this is above my head.
This is too much. Now my Desktop computer won't even connect to Thuderbird. It keeps asking for a password which I put in, but it won't accept it. No one can convince me that Thunderbirt doesn't have problems. I am all done with it.