Do you show any corresponding SMTP connections at all on your edge equipment, or is it a pure timeout on their side?
On Wed, Feb 11, 2015 at 10:18 AM, Maglinger, Paul <[email protected]> wrote: > We're having an issue with one company trying to send us emails. > They get a 4.4.7 whether replying to or sending a new email. > They can receive emails from us just fine. > They apparently aren't having a problem with any other company. > Things I've found keep saying that the problem is on the recipient (our) > server, but we're getting email from everyone else just fine. > I've run a DNS report for both domains and it looks okay. > As they are the only one we're having a problem with - I'm pointing the > finger at the DNS on their end but willing to consider something on mine. > I'm trying to help them out, but there's only so much I can do from my > side. > Any thoughts on this to build a case either way? > > -Paul > > > >
