Allow POP and SMTP

[ddr]

hi all,
i have to allow pop and smtp of gmail to some specific LAN users. i set these rules. but some times pop is not connecting, reverse DNS is not working.. how to create a rule for Address to IP interchnage?

[doktornotor]

Will never work list this, the FQDNs are not resolved even remotely often enough.

[ddr]

@doktornotor:

Will never work list this, the FQDNs are not resolved even remotely often enough.

what should i do now? how to allow pop and smtp only?

[doktornotor]

https://support.google.com/a/answer/60764?hl=en

[ddr]

can u guide me to create firewall rules for this ? may i know why " domain to ip " is not working in this rules?

[KOM]

may i know why " domain to ip " is not working in this rules?

One FQDN can resolve to many unique IP addresses, and they are usually served round-robin to act as a simple load balancer as well.