SMTP disabled due to 3 consecutive errors

I keep getting the above I run the check and get the verification code and reactivate but then shortly after I run a test send even though the test is received at the client the SMTP reports 3 consecutive errors and stops.

Please can you advise

Thanks

We will have a look and try to provide some more detail.

EDIT:

Your mail server is not responding, so this would indicate that either the SMTP host name is wrong, or alternatively the SMTP server is blocking our connections. If you haven’t changed anything I suspect the latter is true, if you call up your host they should be able to confirm this.

Thanks Glenn, are these the ip addresses I need to my receive connector ? 5.2.17.178-189

Thanks

Tony

Yes that is our IP range.

Please let me know how you get on.

Thanks added there was only 2 ip addresses in the receive connector so now amended, will let you know

Cheers

Tony

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