Thanks all to the replies... unfortunately still running into an issue when running BLAT test command I receive this error:
seems like it's a BLAT configuration issue but I'm missing it I think.. any help appreciated and thanks in advance.
superDebug: Attempting to connect to IP address 127.0.01, on port 25
Error: Connection to server was dropped
***Error *** SMTP Server error
Error: Not a socket.
Error: Not a socket.
Validated: I can telnet to localhost on 25, can telnet to mailserver on port 587
Ran: netstat -ano and validated stunnel PID listening local address port 25
BLAT install command:
blat.exe -installSMTP localhost <sender address> -q -port 25 -u <smtp account> -pw <password>
STUNNEL Config file:
debug=7
output = stunnel.log
sslVersionMax = TLSV1.2
sslVersion = all
options = NO_SSLv2
options = NO_SSLv3
[ssmtp]
client = yes
accept = 25
connect = <mailserver>:587
cert = stunnel.pem