In azure you cannot change that settings to acomodate your custom MTU.
AFAIK you must use the dafault MTU 1500.
El 22/09/16 a les 12:23, Joseph Thibeault ha escrit:
> I did some research on that. This server is on Microsoft azure and
> their virtual networks do have a firewall built in which inspects
> inbound packets. There isn't a firewall on the VM itself. What type of
> setting should I be looking for in the firewall?
> On Thu, Sep 22, 2016 at 2:08 AM Harald Paulsen <har...@paulsen.no
> <mailto:har...@paulsen.no>> wrote:
> is there an old cisco pix firewall, or any other firewall with
> packet inspection involved?
> Sent from my iPad
> > On 22. sep. 2016, at 06.24, Joseph Thibeault <j...@dashride.com
> <mailto:j...@dashride.com>> wrote:
> > We use postfix as a mail queue / sending service in one of our
> applications. This application generates emails with PDF
> attachments. Some of the emails with PDFs get sent fine, but
> others seem to cause a "timeout after DATA" error.
> > Through reading online, I've seen answers such as adjusting the
> MTU size on the network interface, etc. None of these solutions
> have worked. Has anyone had this happen, do you have any
> suggestions to fix it?
> > Thank you.