550 error for valid address
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550 error for valid address
03-12-2011 10:58 AM
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Here's the error message:
The rejected e-mail address was '[valid list]@NETPALS.LSOFT.COM'. Subject 'Test', Account: '[valid account]', Server: 'relay.plus.net', Protocol: SMTP, Server Response: '550 <[valid list]@netpals.lsoft.com> recipient rejected - domain has no delivery address (DNS MX record)', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79
Other subscribers are still able to send to the lists and I can logon to send direct from the netpals site.
Any ideas ?
Re: 550 error for valid address
03-12-2011 12:01 PM
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Are you sure you are using the correct address? Are those subscribers able to send using a different one?
Re: 550 error for valid address
03-12-2011 12:19 PM
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It makes no difference whether I reply to a message sent by someone else today or create a fresh message using the email address from my contacts.
Re: 550 error for valid address
03-12-2011 12:49 PM
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Re: 550 error for valid address
03-12-2011 1:20 PM
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How long ago is it since you last submitted a contribution by email - more than a month? Wondering if this problem is associated with the introduction of the Cloudmark appliances in the outbound mail path.
Re: 550 error for valid address
03-12-2011 1:41 PM
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I've emailed someone else who uses plusnet to see if they're having the same problem but not sure how often they check their emails.
Last time I successfully posted was 16th Nov and first failed on 29th Nov.
Re: 550 error for valid address
03-12-2011 1:58 PM
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Quote from: spraxyt Aren't some lists configured to accept posts by email? Presumably has to come from a subscribed address.
So if the list is hosted remotely are we back to the fact that NETPALS.LSOFT.COM has no MX record?
Re: 550 error for valid address
03-12-2011 2:17 PM
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Quote from: itsme So if the list is hosted remotely are we back to the fact that NETPALS.LSOFT.COM has no MX record?
Yes, but lsoft.com has. I was wondering if the Plusnet relay servers should recurse into the DNS and use those, leaving resolving the subdomain to lsoft.com. Something for Plusnet to take a look at on Monday I think.
Re: 550 error for valid address
03-12-2011 2:20 PM
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My email server will try the A record for domain if no MX record exist so perhaps PN has stop this!!!
Re: 550 error for valid address
03-12-2011 3:37 PM
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Quote The following recipient(s) could not be reached:
'xxxxx xxxx' on 03/12/2011 15:21
550 <xxxxx@xxxxx.freeserve.co.uk> recipient rejected - domain has no delivery address (DNS MX record)
Sent it OK using Gmail instead.
There must be a problem with Force9/Plusnet's dns mx records.
Tony
Re: 550 error for valid address
03-12-2011 4:01 PM
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Re: 550 error for valid address
03-12-2011 4:10 PM
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As I said before - sending via Gmail worked and via PN didn't, so I thought the circumstances were related. My mistake.
Tony
Re: 550 error for valid address
03-12-2011 4:17 PM
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Re: 550 error for valid address
03-12-2011 4:39 PM
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@itsme - Thanks for the link. When I put the proper freeserve address in to that web page, it gives me a host name for freeserve and an IP address.
Why then was mine rejected before?
Tony
Re: 550 error for valid address
04-12-2011 1:23 AM
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'Indeed there is no MX record for netpals.lsoft.com but there is certainly an A record. The above mail server is not behaving correctly. If a destination domain does not have an MX record, the sending mail server is supposed to fall back and try the A record. This is per Internet standards for SMTP email. It seems the above mail server is not doing that.'
So looks like plusnet has some sorting out to do.
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