bs066

I will try that, thanks for the quick response.

I'm trying a new build - I get to this line : `gcc -g -O2 -Wall -W -DUSE_GNU_STRFTIME -I/cygdrive/d/cygwin/home/bills/email/eMail-master -I/cygdrive/d/cygwin/home/bills/email/eMail-master/src -I/cygdrive/d/cygwin/home/bills/email/eMail-master/include -I../include -I/cygdrive/d/cygwin/home/bills/email/eMail-master/dlib/include -I../dlib/include -DEMAIL_VERSION='"3.2.3-git"' -DEMAIL_DIR='"/usr/local/etc/email"' -DHAVE_CONFIG_H -o email email.o...

You're right, no change (but at least it compiled! Thanks for that! So you think it's an issue with the ssl versions that cygwin is working with? I just updated...

ok, thanks for the help. I'll keep looking...

I made that change and recompiled - but still no luck, From what I think I see, it's not even making it to any TLS logic, In src/processmail.c:150, I get...

yeah, I'm using both those

Not sure about the ports. My Thunderbird connection is all over 465. I never see a STARTTLS in that traffic, just a client hello:  Like I said, I think...

Got it! I was using port 465 because that's what my other client had configured, and that's the port I was seeing traffic on. I found another example using 587...