• The APS Catalog has been deprecated and removed from all Plesk Obsidian versions.
    Applications already installed from the APS Catalog will continue working. However, Plesk will no longer provide support for APS applications.
  • Please be aware: with the Plesk Obsidian 18.0.78 release, the support for the ngx_pagespeed.so module will be deprecated and removed from the sw-nginx package.

Adding email to a domain with an alias ?

Re

Check this
nslookup primary.co.uk
Server: 4.2.2.2
Address: 4.2.2.2#53

Non-authoritative answer:
Name: primary.co.uk
Address: 89.234.0.53

[root@ns3 ~]# nslookup
> set q=mx
> primary.co.uk
Server: 4.2.2.2
Address: 4.2.2.2#53

Non-authoritative answer:
primary.co.uk mail exchanger = 20 primary.co.uk.s200a2.psmtp.com.
primary.co.uk mail exchanger = 30 primary.co.uk.s200b1.psmtp.com.
primary.co.uk mail exchanger = 40 primary.co.uk.s200b2.psmtp.com.
primary.co.uk mail exchanger = 10 primary.co.uk.s200a1.psmtp.com.

Authoritative answers can be found from:
> set q=a
> primary.co.uk.s200a2.psmtp.com
Server: 4.2.2.2
Address: 4.2.2.2#53

Non-authoritative answer:
Name: primary.co.uk.s200a2.psmtp.com
Address: 207.126.147.12
>

It seems your mail server (MX) is pointing to different IP, unless both IPs are on the same server

John G
DataQuantum Cloud Systems
http://dataquantum.com
 
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