Two IP and one domain server - configuration in revDNS and DNS zone.

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Two IP and one domain server - configuration in revDNS and DNS zone.

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4
NAS
DS218+
Operating system
  1. Windows
Mobile operating system
  1. Android
Hello,

I have working mail server on Synology Mail Server with domain named for example domain.com
I need a second backup internet connection because sometimes my primary ISP cuts out

New configuration:
revDNS (ISP1 primary)
ip: w1.x1.y1.z1:
PTR: mx1.domain.com

revDNS (ISP2 failover)
ip: w2.x2.y2.z2:
PTR: mx2.domain.com

my DNS zone on my domain:
domain.com MX 10 mx1.domain.com
domain.com MX 20 mx2.domain.com
mx1.domain.com A w1.x1.y1.z1
mx2.domain.com A w2.x2.y2.z2

Is this the correct configuration?
I need change something on Mail Server?

Thank you
 

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