My ISP closed sending port after few trials, so now I added relay as well.
Got it running w/o pain based on
http://www.howtoforge.com/forums/sho...4&postcount=18
I am using one of my (new/extra) ISP-email-accounts just to login to ISP's smtp (as relay i.e normal ports OK).....
Now now both receiving and sending working like a charm for all server1-accounts
