• Our team is looking to connect with folks who use email services provided by Plesk, or a premium service. If you'd like to be part of the discovery process and share your experiences, we invite you to complete this short screening survey. If your responses match the persona we are looking for, you'll receive a link to schedule a call at your convenience. We look forward to hearing from you!
  • The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.
  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

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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