I think I have everything set up correctly now but when I send a message from the sender in question, something is hanging and there is no debug output in the log. Here are the running processes:
root 6353 0.0 0.2 12488 2444 ? Ss 07:16 0:00 /usr/libexec/postfix/master postfix 8242 0.0 0.2 13524 2564 ? S 11:36 0:00 qmgr -l -t fifo -u postfix 8243 0.0 0.2 12564 2396 ? S 11:36 0:00 pickup -l -t fifo -u postfix 8274 0.0 0.4 13496 4176 ? S 11:40 0:00 smtp -t unix -u postfix 8275 0.0 0.2 12560 2488 ? S 11:40 0:00 tlsmgr -l -t unix -u I am not familiar enough with postfix to figure out which process is hanging but based on 'top' none are using any resources. I can only guess that there is something going on with authentication (tlsmgr?) but I don't know how to get any debug out of it. Can someone suggest a way to debug this? Perhaps this symptom is common to initial setup and someone can suggest a cause. Thanks.
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