Sudhanshum
asked on
Comcast email error
Hi I am using comcast server for email on Asp.net, I am facing issue while sending email, What is happening is when I am setting from-address of different email domain then its failing and throwing error :
Transaction failed. The server response was: 5.2.0 STOREDRV.Submission.Except
due to a permanent exception with message Cannot submit message. 16.55847:301D0000, 17.43559:00000000940000000
20.52176:140FCC84140010103
255.31418:0201E165, 16.55847:9C000000, 17.43559:00000000680100000
20.50032:140FCC84841710100
4.21921:DC040000, 255.27962:FA000000, 255.1494:E9000000, 0.37692:01000100, 0.37948:01000100, 5.33852:00000000534D545000
7.40748:010000000000010B01
If I setup Comcast Username as From-User then it works fine, How i can fix that? Please help
Transaction failed. The server response was: 5.2.0 STOREDRV.Submission.Except
due to a permanent exception with message Cannot submit message. 16.55847:301D0000, 17.43559:00000000940000000
20.52176:140FCC84140010103
255.31418:0201E165, 16.55847:9C000000, 17.43559:00000000680100000
20.50032:140FCC84841710100
4.21921:DC040000, 255.27962:FA000000, 255.1494:E9000000, 0.37692:01000100, 0.37948:01000100, 5.33852:00000000534D545000
7.40748:010000000000010B01
If I setup Comcast Username as From-User then it works fine, How i can fix that? Please help
John
I am not sure about Comcast, but your "From" Address can be different than your userid Address. Make sure IMAP does not think you are relaying email.
when I am setting from-address of different email domain
For obvious reasons, the Comcast MTA will not allow spoofing a From address from a different domain. It is not an open relay nor do they want to encourage spam.
If you want to send using a From address other than Comcast, you will have to (a) sign up with an SMTP relay such as SMTP2Go or (b) send through the From domain's MTA.
For obvious reasons, the Comcast MTA will not allow spoofing a From address from a different domain. It is not an open relay nor do they want to encourage spam.
If you want to send using a From address other than Comcast, you will have to (a) sign up with an SMTP relay such as SMTP2Go or (b) send through the From domain's MTA.
POP3 allows you to have a display email address while using the correct email address for sending. That may be an Outlook thing.
If IMAP does not have this capability, then it is seeing your email address (first post) as an attempt to relay.
If IMAP does not have this capability, then it is seeing your email address (first post) as an attempt to relay.
ASKER
smtp.charter-business.net was allowing to send email which has from email for eg. smandola@allied-dev.com but comcast Smtp.office365.com is not allowing.
Regards,
Sudhanshu
Regards,
Sudhanshu
There error message above isn't a well formed SMTP banner. I know because I've been warming up a large list of Comcast recipients, to avoid throttling.
What's expected is a correctly formed SMTP response banner similar to...
You may have to dig around in your logs to find + post this.
Post your actual SMTP banner response that generated the error + a copy of the full message you sent, including all headers.
Likely someone will be able to quickly see the problem.
What's expected is a correctly formed SMTP response banner similar to...
450: 4.2.1 The user you are trying to contact is receiving mail at a rate thatYou may have to dig around in your logs to find + post this.
Post your actual SMTP banner response that generated the error + a copy of the full message you sent, including all headers.
Likely someone will be able to quickly see the problem.
They're different companies. They have different policies. And if you're trying to send through "office365.com" -- that is not a Comcast domain; it's Microsoft and Microsoft has (of necessity) exceedingly tough spam policies.
You mentioned "smtp.charter-business.net
This has no correlation to Comcast, as Charter is not Comcast.
There's never any correlation between any two Email Provider's sending/receiving rules. Each email Provider has their own rules.
Tip: For sending email which is highly deliverable, setup a MailGun account. First 10K emails/month sent are free with MailGun.
This has no correlation to Comcast, as Charter is not Comcast.
There's never any correlation between any two Email Provider's sending/receiving rules. Each email Provider has their own rules.
Tip: For sending email which is highly deliverable, setup a MailGun account. First 10K emails/month sent are free with MailGun.
ASKER
OK Here is one more question here, I am able send email from COMCAST SMTP USERID, Is there anyway like I can show some different emailid to customer when they get email? for eg. email should be sent from user@comcastbiz.net but user will see that email as sm@allied-dev.com. is it possible?
Regards,
Sudhanshu
Regards,
Sudhanshu
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