Frequent Visitor
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19 Messages
An error occurred while sending email
An old problem has resurfaced in the last month or so. I cat not send email (using Thunderbird) because the VPN servers that are used with the Private Internet Access service that I use seem to be on some blacklist. When I turn off the VPN, the email gets sent.
(For history, see Re: 421 Error when sending email)
Here are a number of the error messages:
An error occurred while sending mail: The mail server sent an incorrect greeting: resomta-po-08v.sys.comcast.net resomta-po-08v.sys.comcast.net CSI IP 174.128.xxx.xxx is not permitted to send messages. Please contact support if you feel this is in error..
An error occurred while sending mail: The mail server sent an incorrect greeting: resomta-ch2-08v.sys.comcast.net resomta-ch2-08v.sys.comcast.net CSI IP 194.59.xxx.xxx is not permitted to send messages. Please contact support if you feel this is in error.. (Got this error twice.)
An error occurred while sending mail: The mail server sent an incorrect greeting: resomta-po-06v.sys.comcast.net resomta-po-06v.sys.comcast.net CSI IP 194.59.xxx.xxx is not permitted to send messages. Please contact support if you feel this is in error..
Can someone help me out here?
Responses
ComcastCSAEmail
Official Employee
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580 Messages
1 y ago
@aluminum i've sent you a PM
Official Employees are from multiple teams within Comcast: CARE, Product, Leadership. We ask that you post publicly so people with similar questions may benefit from the conversation.
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aluminum
Frequent Visitor
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19 Messages
1 y ago
I did not think that your response answered my issue.
I am now getting the following:
An error occurred while sending mail: The mail server sent an incorrect greeting. resomta-ch2-12v.sys.comcast.net resomta-ch2-12v.sys.comcast.net Message sending error. Please go to http://customer.comcast.com/help-and-support/internet/limitations-on-sending-email/.
1. I cannot get to that Web page probably because it is not certificated (https). What does this error message mean?
2. Why am I getting this error message again so frequently?
I am using a VPN and have to disengage the VPN in order to use Thunderbird. I am not a spammer and should not be treated as one.
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Again
Expert
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25.6K Messages
1 y ago
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Lord_Basil
Frequent Visitor
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24 Messages
10 m ago
I started to get this same error recently when using a VPN (see attached image).
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bones72205
Frequent Visitor
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7 Messages
10 m ago
I'm getting the same error message just started 2 days ago and I cannot send mail on my iphone either. I've contacted Comcast and they can't figure out what's wrong (after 2 hours on the phone). Clearly I'm not the only one. FRUSTRATED!
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user_82e34e
Visitor
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3 Messages
2 m ago
Same issue on March 13 and 15th 2021. Using Thunderbird email with a Bitdefender Virus Security and VPN turned on. The only way to send a simple email is to exit everything, re-boot with no security or VPN. Why is this happening now?
Message is " An error occurred while sending mail: The mail server sent an incorrect greeting: resomta-po-02v.sys.comcast.net resomta-po-02v.sys.comcast.net Excessive failed authentication, ESMTP server temporarily not available."
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jweaver0312
Expert
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1.9K Messages
2 m ago
@user_82e34e
Please create your own post on this board describing the issue you are facing. Thank you very much. Closing this year old thread.
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