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Intermittant Mail Rejection

NK
Member

We have email provided by BT, but using a different domain name.

 

Over the past few months we've been told more frequently by various clients that they have sent us emails which have bounced back, but when they've been sent again immediately afterwards they've come through to us.

 

One error was a 'Relaying denied' error, but this is not always the case (I'm afraid I haven't been sent examples of other error messages'.  Our IT person suggests it could be a problem with the BT mail servers, and to call to find out if there have been any recent technical issues with their servers.

 

If anyone has experienced the same I'd appreciate an idea of where the problem may lie and how they fixed it as I'm 100% sure that if I call and ask if there are any problems on BT's end, the answer will always be 'no'.  Even if there is a problem I feel the answer might be that there will always be intermittant issues which can't be foreseen/avoided.

 

Thanks

3 REPLIES 3

Burkem5
Guru

Hi NK

 

First off I would go to MXtoolbox.com

 

Enter in your domain name (the bit after the @ in your email address).

 

Press enter and take a note of the results

 

If everything is correct then you should only have one MX record it will look like xxxxxxx.protection.outlook.com

 

so if your domain is Burkem5.com

 

then your mail record should be

 

burkem5.mail.protection.outlook.com (or something very similar).

 

If you have other records then these need to be deleted as more than likely they lead to a server which does not exist


such as ibmr.btconnect.com or ms123456.invalid

 

Removing these these should help alot.

 

I would also say that if your MX record is mail.eo.outlook.com call BT and ask for your protection record which is  normally the same but mail.protection.outlook.com

 

 

Hope this helps

Burkem5

 

NK
Member

Thanks for your response Burkem - I'll try those things!

 

Nat

Burkem5
Guru

Thanks Nat, Let me know how you get on