eScan Knowledge base

Steps:
1) Telnet to port 25 & 26 (or any other configured port) & check whether mailscan & mailserver both are responding.
Ex.c:\>telnet 192.168.0.1 25
(If mailscan or mailserver are not responding then you need to reconfigure the SMTP port settings in respective products.)
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2) In mailscan check below folders if large number of emails/files are stuck.
C:\program files\mailscan\IN
C:\program files\mailscan\out
C:\program files\mailscan\Spoolout

If files are stuck then restart mailscan service.Wait for 2 minutes & make sure below processes are started.
smtp.exe
mailscan.exe