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Email not being received

fifetom
Newbie
Posts: 3
Registered: 15-09-2015

Email not being received

My client has 46 email addresses set up using the default destination for their account. At the weekend sending to them stopped working with 550 Invalid Recipient error messages. No settings were changed at the PlusNet account I am told. However the client is using a destination domain which is external to PlusNet. It is a domain hosted by 1and1.co.uk. The MX record for that domain is set to
mx.avasin.plus.net
Tech support at PlusNet suggest the problem lies at 1and1 who assure me it doesn't.
The destination addresses still work to send and receive and oddly, they arrive with the 1and1 domain as the destination domain. Can you please suggest a fix before I create 46 new email accounts?
4 REPLIES
Community Gaffer
Community Gaffer
Posts: 17,650
Thanks: 642
Fixes: 162
Registered: 05-04-2007

Re: Email not being received

Quote
. It is a domain hosted by 1and1.co.uk. The MX record for that domain is set to
mx.avasin.plus.net

Has this always been the setup for this domain? I ask as I'm not sure how our domain system would associate that MX record to a specific account and therefore point the mail to the right place, which would explain the 550 error.
If this post resolved your issue please click the 'This fixed my problem' button
 Chris Parr
 Plusnet Staff
fifetom
Newbie
Posts: 3
Registered: 15-09-2015

Re: Email not being received

Yes. There are no email accounts set up at 1and1. They are all at PlusNet and all worked until Monday. I see your point though.
Is it possible that by simply invoking that 1and1 domain by using it in the address my client was able to connect their account with it through some open channel in the PlusNet system which you have recently closed?
Superuser
Superuser
Posts: 9,583
Thanks: 960
Fixes: 55
Registered: 06-04-2007

Re: Email not being received

Unless the domain is hosted by Plusnet I wouldn't have expected this to work (ever) for the reason stated by Chris. To make it work mail would have to be forwarded by an external Mail Transfer Agent to the default (username-based) destination domain for the account.
David
David
fifetom
Newbie
Posts: 3
Registered: 15-09-2015

Re: Email not being received

But it worked for years.
Moot point now of course.