Yandex 360
Connecting MXGuard as an external gateway in front of Yandex 360 for Business.
Target server
For a domain connected to Yandex 360, the target server is:
mx.yandex.ruRestricting inbound connections
In the Yandex 360 Admin Console → Mail → Security → Trusted inbound mail servers. Add MXGuard's IP ranges and enable "Accept mail only from trusted servers".
88.198.102.232/2962.76.100.176/2962.76.113.32/27SPF
v=spf1 include:spf.mxguard.net include:_spf.yandex.net ~allAfter switching MX records to MXGuard's servers, confirm in Yandex 360 that the domain status stays "Verified" — TXT-based verification remains valid regardless of MX changes.