Dear guys, we recently took over it support for a customer which is
using a fortigate 80C. However I am not very familiar with this and need
some help. Everytime when someone is sending a huge amount of emails
(>25 at the same time) the connection to...
yes, I will definitely do that. However I just did a test and changed
the smtp server to our own one and everything is fine now. So I can be
sure now that the problem is on the mail server side. Thanks.