local stanza only generated for IPv6

[Jeremy Ardley]

On 2/7/20 10:07 am, Benny Pedersen wrote:
> Jeremy Ardley skrev den 2020-07-01 06:50:
>
>> local mail.example.com {
>>   protocol imap {
>>      ssl_cert = </etc/letsencrypt/live/mail.example.com/fullchain.pem
>>      ssl_key = </etc/letsencrypt/live/mail.example.com/privkey.pem
>>
>>      service imaps_login {
>>        inet_listener imaps {
>>          address=mail.example.com
>>        }
>
> not using hostname here, it should be either ipv4 or ipv6 not hostname

That makes maintenance difficult. postconf is helpful because it looks
up the IP from the hostname each time the service is started. The issue
is it looks up IPv6 in preference/exclusion to IPv4

>
>>        inet_listener imap {
>>          address=mail.example.com
>
> does this make sense for ssl ? :=)

Yes, clients can connect on port 143 (imap) but negotiate TLS.
Thunderbird checks port 143 first when scanning a server for TLS
connections.