efa-project.org

OK, something is fishy....

I captured the LAN traffic and it seems that the EHLO submits the correct name. But for my relay1 it won't start TLS while for relay2 it does.

Traffic for relay1:

Response: 220 mail-server-domain ESMTP mail service ready
Command Line: EHLO mail.XXXX.com
Response: 250 ...

Hello,

I have 2 instances to be able to see through which ISP the emails are coming from. I don't really think this can be the problem as these are different processes.

When i make a nslookup on these addresses then there is the following. The domain name mail.XXXX.com is the external facing ...

Hello,

I have discovered an issue but I don't know how long it was there already and how it happened but I'm pretty sure it worked in the past.

I have 2 internet lines with 2 static External IP addresses. Therefor I have also 2 (virtual) IP addresses for EFA4 and the router is configured to route ...

I’m a German guy working in Thailand for a small company (10 employees) and voluntarily took over the role as the Admin to setup the network for the office (all Windows: AD, SQL, Exchange, ...) because i did learn about that many years back and also have lots of private experience with Windows ...