We have used the emailing of pdf files prior without errors, but now we just got some errors.
The error is underlying mail system has reported problems in accessing post office Communication error while sending.
I have went thru mail server logs, the windows server logs and find nothing to help
We use a smtp/pop3 email server for the last 2 years without any issues like this
any ideas would be great
we had the same error message, it turned out, that this was caused by the E-Mail size.