Contributor
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20 Messages
Cannot send email... (0x800CCC0F) Connection to server interrupted - or - (0x800CCC67) ESMTP server temporarily not available message
I am a former xfinity subscriber that kept my comcast.net email address. I access my email through Microsoft Outlook 365 on Windows 10 via a POP3 connection. My wife who has an identical laptop configuration is experiencing these same problems on her machine. About 3 months ago out of the blue, we started to get one of the subject error messages when we attempt to send messages; however, the errors oddly only begin to occur around 8:00 a.m. - 10:00 a.m. and then persist through the rest of the day when you attempt to send email. Receiving mail during all hours works without a problem.
The next morning without me intervening in any way, I can again send and receive email until I get into the 8-10 am window when the send errors start reappearing. This process repeats itself day-after-day.
I can login into xfinity's website and send mail from my xfinity webmail account during times when I'm getting the send errors on my laptop. I also run into similar problems from my android phone that runs a Samsung email app. During the same times I can't send email from my laptop, I can't send email from my phone either.
When I get one of the two send errors above, the emails will just stay in my outbox all day long as outlook continues to try to send them. Yet, then at some point during the late-night hours, something must be reset on xfinity's end of things, I'm able to reconnect to the server, and the emails will send - without me doing anything on my end.
I've called Comcast numerous times on this issue during the past 3 months and they insist the problem is on my end. I'm convinced the problem is on theirs. My theory is that as a current nonsubscriber, I am likely routed through different server infrastructure. As more and more people like myself have cut the cord with Comcast, demands on this secondary infrastructure have increased, and Comcast is refusing to invest to upgrade it since we are nonpaying customers. So, I'm beginning to doubt that there is a fix for this except to abandon my twenty-two year old comcast.net email.
Any thoughts from anyone on this? And suggestions on who where would be a good place to move to (e.g., gmail)?
user_521d8c
Contributor
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20 Messages
3 years ago
I began this threat on Dec. 9th. Last month I posted that my email send issues have miraculously been resolved. This is true today - I nor my wife have had one email send error since my posting on 12/24. I have since set all of my computer and wifi settings back to where they were when the problems began (including Outlook sleep mode settings), and I can do nothing to recreate the send error. I have done no Windows or Office 365 updates to my computer either. So, at the end of the end of the day, I don't know how the problem managed to auto-correct itself. I would hope if Comcast made some changes on my account and knew others were experiencing the same problem, that they would apply the fix more broadly across their system.
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wmb-1
Frequent Visitor
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13 Messages
3 years ago
I congratulate you! And, I agree that surely Comcast knows how others might solve this. I've had it sporadically for many months -- it lasts for days at a time, then goes away, then returns some weeks later. Usually, just as I reach wits end and decide to abandon Comcast for gmail, it goes away. I'll keep searching and tweaking. Thanks for the response.
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zuzzer
Visitor
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1 Message
3 years ago
We have had the same problems for at least six months - sending mail from our Outlook Comcast accounts blocked, generating errors for many hours, then temporarily working until it stops again. I spent many hours looking up this problem, and considerable time on the phone to Comcast to no avail. I have a Windows10 laptop, an iPhone, and my wife has a MacBook Air and an iPhone. Our home ISP is FIOS, and we have a summer house with a Comcast ISP. One additional piece of information - if I am out-of-town and using my Outlook Comcast email, both my Outlook Comcast email account works fine, and so does my wife's (back at home) Then when I come home, it starts flaking out again.
I have lost patience, and started using a workaround, which is an xxx@ icloud email address, and am slowly phasing out my comcast email account.
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imrockin
Visitor
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15 Messages
3 years ago
I just got off the phone with Amy in Xfinity Support - Security Level 2 @ [Edited: "Personal Information"]. She said she could not help me because I no longer have an account. I asked to speak to a manager. Amy said that the manager is in a meeting and would have to call me back. I asked her who will be calling me and she said it would be one of two women and she could not give out a name. I also asked for a case number and she said that since she cannot do any work on it, there is none.
Again, this looks like a runaround designed to stop / punish people when they leave the service.
(edited)
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imrockin
Visitor
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15 Messages
3 years ago
So it's 11:29 PM and I'm sending emails like crazy with no issues. Tomorrow morning, I'm SURE it will be back to the same old problem.
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imrockin
Visitor
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15 Messages
3 years ago
And verified --- 8:24 AM, cannot send emails again. COMCAST FIX THIS!
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user_769f39
Visitor
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3 Messages
3 years ago
We are Outbox locked today as well. Not bad we got four good days with no lock out. 7PM better get here fast. I have a bunch of stuff that needs sending.
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BruceW
Gold Problem Solver
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26.3K Messages
3 years ago
In https://forums.xfinity.com/conversations/email/cannot-send-email-0x800ccc0f-connection-to-server-interrupted-or-0x800ccc67-esmtp-server-temporarily-not-available-message/61b28270f06968168603033a?commentId=61c38fb7af4f9801ee5e85dd employee @XfinityCSAEmail stated that the failed authentication block resets at the same time each day. So the fact that you see your email sending start working at a particular time of day is consistent with that.
What seems odd to me is that nearly all the users having this problem appear to be using non-Comcast ISPs to connect to Comcast's mail servers. I suspect Comcast hasn't gotten all the way to the bottom of this yet.
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user_8c7730
Visitor
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2 Messages
3 years ago
I have been told from Xfinity and Verizon, who are at odds that the are no longer supporting each other’s products. I hav Comcast email and Verizon phone. I can’t open my email on my phone or IPad. Shame on both companies for putting us in the position to not retrieve our email. We who pay our bills made them the multi million companies and they treat us this way, shame on them!!! I guess it is time to check out ATT for my services!
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user_39caa5
Visitor
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1 Message
3 years ago
I have the exact same problem. Worked fine for 3 years. Now all of a sudden I can't send outgoing emails. At some point they go through....but hours later. Very frustrating. I called comcast and they tell me to call FIOS.
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