Spectrum messages must be no larger than 30MB and attachments less than 20MB;

https://www.spectrum.net/support/internet/spectrum-email-features-bt/

Does this apply to the messages that produce the error?

Sorry, my friend 'sfhowes', Your reminders are appreciated very much, but they did not solve my problem. My problem just suddenly appeared in the last 2 weeks. It never happened before. I have no idea why it happened. I did not even understand what the error msg. meant.

As I said, when I shut down my pc and stared it again, I was able to send emails again. After 5/6 emails later, then the same problem came back. I don't to do the 're-start' 2 or 3 times in a night just in order to send out 10+ emails. I was totally lost. Any other tips?

Did you actually click on the link spectrum sent to you and see what it says:

If you are trying to send an email from a Charter email address to an outgoing recipient, you may get an error code beginning with AUP#O, also followed by four numbers.

In your case: AUP#Out-1440

Error code band:

• 1350 - 1490
• Spectrum limits emails by the number of messages sent, amount of recipients, potential for spam and invalid recipients.

It then offers a link to Contact Us with various options, so you can ask them what is going on:

• https://www.spectrum.net/contact-us/

Spectrum is stopping you from sending the emails. They temporarily made the service unavailable.

re :After 5/6 emails

Please offer some information ....

• Do you mean 5 emails to 5 separate people ?
• OR 5 emails, but each one was sent to eg: 20 people which actually means you sent 100 emails ?

What sort of content was in the emails?

• Did it have a load of links to various websites?
• Or Did emails contain any imserted images - possibly you may have copied off a website ?
• OR does each email have a signature with links and image etc ?

You never answered sfhowes question....

• Are you attaching any images or other types of files to the emails ?

Have you been receiving any emails as a bounce back, could not be delivered type of email, that may look like you sent it but you didn't ?

re :By the way, after I shut down my pc and started it again, I could send 5

This may have something to do with your IP address being flagged as sending spam.

Dear Toad-Hall: Thx. very much for your response. 'AUP#Out-1440' did not help me at all because it is too general. When I said that after sending out 5/6 emails the problem came back, I mean I sent out 5/6 separate emails as I usually did. The total number of recipients was no more than 100(usually <). The contents included everything such as text, video, photo, attached file and so on. Nothing unusual. I know nothing about my recipients' email systems at all. I assume they would be just like any email system as you and I always use. I did not receive any bounced email.

'You said: re :By the way, after I shut down my pc and started it again, I could send 5 This may have something to do with your IP address being flagged as sending spam.' That sounded interesting to me. What should I do about that? I must emphasize that a 'restart' of pc would let me send emails out again. Then the problem came back. Thx.

I strongly suggest you talk to spectrum. Most providers limit the number of emails (or contacts in emails most count each TO,CC and BCC as an email in such things) you can send in a period of time. Without wasting much time here it is obvious you are exceeding their limit. Whatever that is. I am sure they can tell you, I can only guess or google the question.

Based on this page https://www.spectrumbusiness.net/support/internet/spectrum-business-email-faq-twc?redirected=true

The figure you personally get it variable, so only SPECTRUM can answer the how many question.

Dear Matt: Your point is well taken. I'll do what you suggested and see how far I can get. Thx.

I have been using Thunderbird for more than 10 years (probably longer). Only in the last 3 wks. or so my problem suddenly appeared. Since Thunderbird has been updated 1 or more times recently, and I haven't changed anything on my side, my wild guess is that Thunderbird acts weirdly for whatever the reason.

Hello there We have read your message. We try to help you.

http://kb.mozillazine.org/Cannot_send_mail

Greetings Firefox Volunteer.

Emails sent means how many recipients were in the To, Cc, Bcc fields. So if you created one email but it has 50 recipients, you did not send one email, you sent 50.

You may be experiencing a throttleback issue. Spectrum determine you have reached a limit in the number of emails you are allowed to send within a specific time frame eg: 1 hour. So the service is temporarilly suspended and returns to normal after eg: an hour has passed.

Or perhaps it's the size of the email, remember if you are sending a 10MB email and it goes to 50 recipients then you are sending 50MB; note size of email when sending will be much larger than size of attachments. Sending a binary file as a attachment increases its size by a third due to base64 encoding sending two 8-bit characters as three 7-bit ASCII characters. So you might think you are sending a 10MB email but in reality it is more like 13MB minimum. The result of sending eg: 100 emails and each is 10MB, means you have sent approx 1300MB (1.3GB). So it is also possible you are being throttled back due to the amount in size of emails you have sent.

You could do with finding out what are the current limits on size and number of emails per hour that Spectrum are applying to the package you have with them.

Dear friends: After 3/4 conversations with the Spectrum Help, I got a more meaningful explanation shown below: "I understand, many people still use Thunderbird. We no longer support the roadrunner emails and the server you are using is also been updated to Imap instead of POP server which Thunderbird uses. I think using the Spectrum. webmail may help".

That confirmed my previous speculation that Spectrum must have changed something in supporting its Thunderbird system.

Now I need to learn how to modify my email settings to reflect the changes. I don't know if this may solve my problem. I resent that Spectrum changed something w/o notifying customers.

In order to check the spectrum techs advice, first we need to know what you are currently using.

In Thunderbird

• Help > Troubleshooting Information

Under 'Mail and News Account' section.

• Copy all the information and paste it into a 'Post a Reply' text box in this forum question. Do not edit anything.

Dear Toad-Hall: Below is the info I got. It's not in a nice format for you to review. I don't know why. Thx.

Mail and News Accounts ID Incoming server Outgoing servers Name Connection security Authentication method Name Connection security Authentication method Default? account1 (pop3) mail.twc.com:110 None Normal password mail.twc.com:587 None Normal password true account2 (none) Local Folders None Normal password

Guys: More tips or suggestions?

have you tried just adding the account to Thunderbird using IMAP as they appear to think they don't support POP. Personally I would take any information supplied by Spectrum verbally with a grain of salt. They do not have a very good reputation for actually being accurate or helpful. They are however good at making it up I think.

Lets start with Thunderbird only supports POP. Never actually correct, even historically. So their advice is very troubling as to accuracy.

Lets talk about the other very important issue here. You are complaining about sending mails. Neither IMAP or POP are involved in that. It is the SMTP protocol that is used to send mail.

Spectrum obviously do support RR email addresses. Their web site here states "Server Settings Based on Domain (@example.com)" and goes on to provide the following setting details.

Brighthouse.com, bak.rr.com, bham.rr.com, cfl.rr.com, emore.rr.com, 
eufala.rr.com, indy.rr.com, mi.rr.com, panhandle.rr.com, tampabay.rr.com

   Incoming Email Server: mail.brighthouse.com
   Outgoing Email Server: mail.brighthouse.com

TWC.com and any domain ending in .rr.com not covered above

   Incoming Email Server: mail.twc.com
   Outgoing Email Server: mail.twc.com

The information you posted: with a suggested change. I am assuming the server named from the above criteria is correct. I don't know your email address, but I am sure you can select the correct server when requested. (pop3) mail.twc.com:110

       None 
       Normal password 
      (SMTP) mail.twc.com:587	
       None  

According to the web page outgoing server details should include Connection security of SSL this should be changed

       Normal password 
       true 

To make the change to your outgoing server setting go to outgoing servers (SMTP) in the list of accounts in account manager (it is dead last in the list) and change the connection security setting to SSL.

This is a minor change, and realistically the server should normally refuse non SSL connections. But given my feelings of how poor some of Spectrums technical capabilities are it might just make the difference. It is fairly obvious they really have no idea based on your posts here as to what they said.

Do spectrum support POP, I really have no idea, but it is not germane to sending mail at all. I could believe they do not, as the US ISP industry is making millions selling customer data, the more of your data (email) they have online the more they know about to to sell. But do they or don't they support POP is something only they can advise and it appears to me they do, but they down sell it in favour of IMAP as that keeps all your mail with them. If nothing else something of a customer lock-in.

Dear Matt: I appreciate your advice very much. I changed the connection security setting to SSL/TLS. That is the 'Choice' given to me by the Thunderbird. I cannot delete 'TLS'. Thunderbird did not like the change at all and I got the error msg. saying 'SMTP timed out. Try again'. I was surprised. What do you think? Thx.

Your settings you posted seem ok

You could try smtp using Port 587 with STARTTLS.

But the point is you can send. I do not think the error has anything to do with settings and the tech help from Spectrum was unhelpful as they did not discuss the SMTP nor what caused the limit error. The error is definately pointing to a limit. 5 emails to 20 for each mean 100 emails, but this should not have triggered a problem as you should be able to send up to 1000 recipients per day.

You did mention the email containing images and attachments even videos. So what was the size of those emails including all attachments, especially the last one that would not send and invoked the error?

Dear Toad-Hall: You are absolutely right. Spectrum is not helpful at all. And the settings of the SMTP really has little to do with my problem. This is the feeling I have got since I struggled with my problem for the last 3 wks. Further more, my son-in-law agreed with you too.

I'll change the setting of the SMTP, according to your suggestions. And see how it works out.

The reason that I send out many emails is that I maintain communicating with many of my classmates from college and high school, and friends too. Emails do contain images and attachments, beside texts. Sometimes the size can be big. But most of the time, the size is under the limit of what Thunderbird allows.

By the way, I'm thinking about using Outlook email account. What do you think?

It's not about the limit Thunderbird allows because it has nothing to do with Thunderbird.

The sending limit placed by Spectrum is 30MB per email, but you would need to be well below that limit because 30% increase occurs due to conversion to base64, so you would need to be below 22MB in total.

Of course, the receiving server would also need to be able to receive the size of email and not all servers are equal. So, email may not be able to be delivered because receiving server may have a limit of less than 30MB.

Dear Toad-Hall: Using "smtp with STARTTLS" works for me (the port was 587 to begin with). Did that solve my problem? I don't know yet. We have to wait and see. Thx.

In my email account with Thunderbird, the size limit is 20 mg. If an attached file exceeded this limit, a warning msg. appeared. However I just said " Go head. Send it". I have never been refused so far. As such, this size limit did not seem to be the cause of my problem.

Dear guys: I haven't found a solution to my problem yet. But I have found a way to go around the problem.

I used to send out a bunch of emails in 5 min. or so. That's how I got myself into trouble. Now I sent out 2 or 3 emails, waited for 15 min. or so, then sent out another 2 or 3 emails. During the wait time, I did a "Compact" on my "Trash" bin . In so doing, somehow I managed to delay the occurrence of the problem. So you see I was able to send out many emails before the problem came back to haunt me.

A passive way, isn't it?