Do you have SMTP logging enabled? What do the conversations look like? On Wed, May 12, 2010 at 5:07 PM, stan <[email protected]> wrote:
> They say since the email dose not reach their server, then it is not their > fault and refusing to answer if there is a limit on the number of recipints > or not. We never had problems sending emails to their domain in bulk. What > I'm getting is connection refused when I checked the queue for emails being > retried. > > ------------------------------------------- > > Volume spam filtering on their end? Have them check their quarantine. > > -------------------------------------- > On Wed, May 12, 2010 at 4:39 PM, stan wrote: > > We have exchange 2003 server and just this Monday we started having an > issue with emails sent to one domain in particular. > We have no problems sending and receiving emails to users in this domain. > But when we try to send a bulk email to over 100 recipients in that domain, > we notice that the emails don't get delivered and the our server retry to > send the bulk email for 2 days and then fail. I see that the connection is > refused by the host from the exchange manager on this connector. If we cut > down the recipient list to let's say 50, then the email get delivered right > away. > Now, they say that this is not there issue because the delay is from our > side. I checked the recipients number and the limit is 5000 from our server. > How can I tell if this is from our end or theirs? > Since these emails were time sensitive, we deleted the emails that waiting > for retry from the queue and sent few emails with smaller recipients > numbers. > > >
