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Few questions about mail
Posted: Wed 10. Oct 2018, 07:16
by Vito
1) MX record
I use cloudflare + keyhelp, so I have a little problem finding what MX record that I should put in cloudflare dns to get mail work
is that mx.domain.com or something else? can't find that info in docs
2) Is there any way to obtain certificate for webmail subdomain that automatically created with every new domain? i.e. webmail.domain.com
That be cool if you add letsencrypt wildcard support in next
thank you.
Re: Few questions about mail
Posted: Wed 10. Oct 2018, 10:32
by nikko
Hi Vito,
1.)for domainsettings see the first thread here:
viewtopic.php?f=6&t=1728
2.) for webmail configuration see here: admin -> panel settings -> tools-webmail ; recommend: redirection
Re: Few questions about mail
Posted: Wed 10. Oct 2018, 12:55
by Vito
1) Can't understand :/ But i created a MX record filled with FQDN i.e. hostname.domain.com and set priority to 10. It seems that it works
2) recommend: redirection is set.
I mean this:
Code: Select all
Behavior of the webmail.* subdomain
For each domain created, there is always also a subdomain "webmail.<DOMAIN NAME>" available.
Here you can define what should happen when this domain is accessed.
webmail.<DOMAIN NAME> it uses fqdn certificate from panel, and not from domain which I added
Re: Few questions about mail
Posted: Wed 10. Oct 2018, 14:12
by nikko
1.)
mydomain.com -> A -> 111.222.333.44 (Server-IP)
*.mydomain.com -> A -> 111.222.333.44 (Server-IP)
mail.mydomain.com -> A -> 111.222.333.44 (Server-IP)
www.mydomain.com -> A -> 111.222.333.44 (Server-IP)
mydomain.com -> MX 10-> mail.mydomain.com
*.mydomain.com-> MX 10 -> mail.mydomain.com
mail.mydomain.com -> TXT -> v=spf1 a mx ip4:111.222.333.44 ~all
2.) webmail.domain.com does a redirect to webmail.panel.com - its the best choice. Otherwise the user must accept the browser error for ssl.
Re: Few questions about mail
Posted: Wed 10. Oct 2018, 15:06
by Vito
1) Why u use A record for mail.mydomain.com and not cname, I never use more than one A record.
A domain.com points to 11.222.333.44
CNAME www is an alias of domain.com
MX domain.com mail handled by (
still don't know 
) but hostname.domain.com works....
TXT domain.com v=spf1 a mx ip4:111.222.333.44 ~all
Thats all, anyway need response from devs..
2)What if webmail.domain.com does not redirect to webmail.panel.com
and browser shows error for ssl.
Re: Few questions about mail
Posted: Wed 10. Oct 2018, 22:21
by nikko
Because you asked for cloudflare. And CF says:
https://support.cloudflare.com/hc/en-us ... ould-I-do-
Nice to have helped you.
Re: Few questions about mail
Posted: Thu 11. Oct 2018, 02:28
by Vito
nikko
Well, If I use you solution mail stops working, I can not send and receive letters.
sender receives a response from Mail Delivery Subsystem.. etc..
If MX handled by hostname.domain.com - I can send and receive letters. Cloudflare help offer only a typical configuration, this does not mean that it is suitable for this panel/server config.
Thank you for your help.
Re: Few questions about mail
Posted: Thu 11. Oct 2018, 10:13
by nikko
Again...
W/O CF:
Way 1.) Use my config from the post about. It works since years with KH without problems. If its not yours, change your records at will.
Way 2.) If you have 2 ip`s use the panel-own nameservers, e.g. ns1.server.yourdomain.com
W CF:
Way 1.) Put the mx->a redirection like the sample from CF. BUT the mail.yourserver.com points to your origin server ip. AND CF dont allow wildcard in the freepackage. Thats, why you must add the www. - record.
Way 2.) CF recommend to separate mailserver and webserver, because way 1.
Way 3.) Dont use CF-routed domains for mail, separate the pagedomain and maildoamin.
Re: Few questions about mail
Posted: Thu 11. Oct 2018, 10:15
by nikko
Way 4.) Search and use a datacenter, which have ddos-protection included.
....Regarding your answer from the DEVS ... ALEX, Martin???