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user_t3lz51
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4 Messages

Thursday, February 6th, 2025 7:02 PM

Sending to @Comcast addresses

Hello.

I run a small hosting company.  One of my domains for some reasons encountered the following issue.  The customer does not send much E-Mail nor does the server as a whole.

SMTP error from remote mail server after end of data: 451 4.2.0 Throttled

Please advise.

Thank you,
Larry

Question

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Updated 

2 months ago

 • Edited

109

1

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XfinityChelseaB

Official Employee

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1.6K Messages

2 months ago

Hello @user_t3lz51, Thanks so much for taking a moment out of your day to leave a post on our community forum, and we would be happy to help. Do you have a business account with us or are you running these off your residential services? 

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user_t3lz51

4 Messages

Hello.

Thank you very much for getting back to me.  It is hard to get in touch with someone regarding this message.  I am a residential Xfinity customer but my servers are based with US Amazon infrastructure.

Sending E-Mail from this one particular platform was never an issue until the last few weeks.  This is legitimate E-Mail going to less than a dozen at a time to @comcast.net addresses.  The individuals that are part of this E-Mail already are aware of the E-Mails coming from my customer but they cannot receive them because of the rate limit currently in place.

Larry

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2 months ago

0

XfinityChelseaB

Official Employee

 • 

1.6K Messages

@user_t3lz51, If you could send our team a direct message with your full name, the name listed on the account (if different), and the service address associated with your account, I'd be more than happy to look into this for you. To send a Direct Message, please click on the chat icon in the top-right corner of the screen, next to the bell icon, and then type or select "Xfinity Support" to initiate a direct message.

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick
I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

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2 months ago

0

user_t3lz51

4 Messages

Thank you very much for this!

Larry

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2 months ago

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XfinityThomasB

Official Employee

 • 

1.8K Messages

user_t3lz51 always a pleasure to help a valued member of the Xfinity family. 

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

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2 months ago

0

user_t3lz51

4 Messages

If you did something on your end, I appreciate it.  The problem appears to be resolved now.

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2 months ago

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