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Posted Dec 14, 2013
SMTP port 587 just stopped sending emails

I've been sending emails via smtp.att.yahoo.com port 587; non-SSL for years now using an sbcglobal account. It stopped working in past couple of days. 

 

Is this an incident that needs resolved within AT&T? Or a policy change?

I have two security cameras that do not have the ability to send via SSL, and the feeds from the event (motion detected) have stopped being emailed. I would prefer to get these working again. As opposed to buying new hardware.

 

TrendNet Model TV-IP110W and TV-IP410WN.

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12-17-2013 9:01:59 AM
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Hello Everyone,

 

As of December 11, 2013 the use of Non-SSL settings on client mail stopped sending and receiving. This includes the use of SSL override port 587. AT&T began using SSL about 5 years ago but not all of our customers had updated their client settings.

 

AT&T Yahoo mail servers will no longer allow to send or receive email if email settings have not been updated to the current client email settings:

 

• Incoming mail port #: 995, secure connection (SSL) checked
• Outgoing mail port #: 465, secure connection (SSL) checked

 

 

SadathCS
ATTU-verseCare

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SMTP port 587 just stopped sending emails

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Dec 16, 2013
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I'm experiencing the exact same problem.  I use Panasonic IP cameras in the same manner.  They are spread across two separate ATT U-Verse accounts, and all cameras on both accounts stopped sending e-mails at the same time.  All other functions of the accounts still work fine, and the cameras are still accessible and otherwise working fine.  It is definitely related directly to using port 587.

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Dec 16, 2013
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Thanks for tagging on. Hopefully your inclusion in this issue can garner some help and eventual working solution. Cheers!

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Dec 16, 2013
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You're welcome.  I also sent a PM to tech support, if I get a resolution and it's not reported here I will relay it.

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Dec 17, 2013
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If you just started having trouble with your email client, it is most likely related to a change that took place on December 11, 2013. Please use this article to update your email settings.

Check this out

www.att.com/updatesettings

Client based email applications will require SSL to get the emails delivered.

I believe you might have to replace the H/W.

 

*I am an AT&T employee and the postings on this site are my own and don’t necessarily represent AT&T’s position, strategies or opinions.

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Dec 17, 2013
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Thanks.  Yes, that's probably what's going on, but those instructions make no specific mention of port 587.  All of the settings shown are what I have been using for a few years now for everything else (i.e. other software e-mail clients), all with SSL.

 

Port 587 is what all of us have been using with older hardware that didn't support SSL.  Hundreds of dollars worth of hardware, which is probably now useless.  Thanks ATT.  Is it really that big of a deal to maintain one non-SSL server?

 

Another work-around, of course, is to use a third-party e-mail provider with their own SMTP servers that do not require SSL, they're out there, but of course that is additional expense.

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Dec 17, 2013
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Hello, everyone!

 

I'm sorry to hear you're having trouble with your email. If raufshake's post didn't help you, please send us a private message by clicking here so we can investigate further.

 

In your message, please provide your name, phone number, email address, and the best time to reach you. You can expect a reply within two business days, so keep an eye on the little blue envelope icon in the top right corner of your screen.

 

In the meantime, feel free to message me with any other questions or concerns!

 

-Mariana

*I am an AT&T employee and the postings on this site are my own and don’t necessarily represent AT&T’s position, strategies or opinions.

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Dec 17, 2013
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Thanks Mariana.  We're still waiting for a definitive answer:  Is ATT now requiring SSL for use of port 587?

Re: SMTP port 587 just stopped sending emails

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Dec 17, 2013
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Hello Everyone,

 

As of December 11, 2013 the use of Non-SSL settings on client mail stopped sending and receiving. This includes the use of SSL override port 587. AT&T began using SSL about 5 years ago but not all of our customers had updated their client settings.

 

AT&T Yahoo mail servers will no longer allow to send or receive email if email settings have not been updated to the current client email settings:

 

• Incoming mail port #: 995, secure connection (SSL) checked
• Outgoing mail port #: 465, secure connection (SSL) checked

 

 

SadathCS
ATTU-verseCare

If you encounter any issues with your service or equipment, we recommend checking out our Troubleshoot & Resolve solutions to help diagnose the issue.

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