Re: Transport nexthop questions...

2017-07-20 Thread Wietse Venema
> ?example.com? smtp:[gateway.example.com] > > gateway.example.com? resolves to 3 IP addresses... > > - Will Postfix try to resolve gateway.example.com for each and every email? Email message? > - What happens if one of the IPs are not responding? That is handled as required by the SMTP s

Transport nexthop questions...

2017-07-20 Thread pete pot
Hi! can anyone please help me to understand how the nexthop works inthe transport table when using hostnames with multiple IPs? For instance:  example.com  smtp:[gateway.example.com] gateway.example.com  resolves to 3 IP addresses... - Will Postfix try to resolve gateway.example.com for e