Two simple stuff:

1. Did you create the mx record among your dns records?
2. DigitalOcean has qualified support engineers to ask for anything technical 
regarding your vps, including networking.

One curiousity:
- You got the passtime to install successfully OpenBSD on DigitalOcean? Let us 
know about it..

-Dan

Oct 24, 2024 00:29:54 Thomas <exnih...@fastmail.org>:

> Hello all,
> 
> So one thing I'm having issues to wrap my head around are rtables/domains... I
> have a VPS on Digital Ocean and they have a set up with a public IP address + 
> a
> "floating" one which is accessed through another IP address on the same
> interface. Eg.
> 
> vio0: flags....
> ....
> inet $publicIP
> inet 10.10.10.10 (giving access to a gateway nating traffic to another IP 
> address)
> 
> All traffic is routed to the gateway associated with the 10.10.10.10 address.
> That gateway does not accept SMTP traffic which needs to be routed through the
> gateway associated to the public IP (let's call it pubGW)
> 
> So, I created a 2nd routing table in rdomain 0: route -T1 add default $pubGW
> and then move smtpd to it, rcctl set smtpd rtable 1, rcctl restart smtpd.
> Output of netstat -R below:
> Rdomain 0
>   Interfaces: lo0 vio0 enc0 pflog0
>   Routing tables: 0 1
> 
> This does not work, smtpd reports DNS failures:
> smtpd[35722]: smtp-out: Failed to resolve MX for
> [relay:xxx,port=xxx,smtps,auth=secrets:label,mx]: Host not found
> 
> The setup works on the rtable 0 (when I swap the default route) and route -T1
> exec ping google.com works as well (so ping apparently can resolve names on
> rtable 1...). What am I missing?
> 
> On another note, I cannot get .forward to work for root. I checked the
> permissions and they are as mentioned on man forward. I don't try to pipe or
> :include:, just /path/to/file (this works with only an email address). 
> /path/to/file  works with a normal
> user and with root gives: sendmail: command failed: 451 Temporary failure:
> <r...@host.my.domain>. Is that a security thing?
> 
> Thanks a lot in advance,
> 
> Thomas

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