Re: gmail.com - 550 error for ipv6/PTR ?

[Owen DeLong]

> 
> 
> Ah yes, the confusion with the separator between IP and ports.
> 
> IPv4:port
> IPv6.port
> 
> That gets a lot of regex confused...

Especially since IPv4:port works, while IPv6:port usually does not and you 
usually need [ipv6]:port.

Owen