Apparently the issue isn't as solved as I hoped.
We got several more failures over the weekend. I was able to have one of the problem messages sent to my personal gmail account. The attachment was in pdf format, and was 293K. When I tried to forward that from gmail to the originally intended office address in Pegasus I could see the message hit the SMPT server on Mercury, but it never went to the core - or to intended mailbox.
I spoke to the ISP (who say it is not a problem on their end) and our consultant who suggested it might be a problem with timing out. The TCP/IP is set to 60 - should it be higher?
Also - I tried to update to v 4.01c. I did manage to get to 4.01b (which I needed before attempting to patch to c) but I can not get the 4.01c patch to apply. I exited Mercury. Copied the dll file into the Mercury directory - restarted...and still show v 4.01b as the current version. Any ideas on that?
thanks in advance
Michele