Hi All, I need to write a BASH script which does a set of operations. But this set of operations must be done only after checking if I am able to use a relay server for sending mails. So, consider my client server where bash script would be run as 192.168.0.10. Now, I need to execute a script only after making sure that I am able to send mail using the relay server 192.168.0.20 (Postfix enabled). Is it possible for me to write a bash script which check this? I tried using the script but giving Failed as the response even though I am able to connect to the mail server. #!/bin/bash telnet 192.168.0.20 25 <<EOF quit EOF [ $? = 0 ] && echo "Success" || echo "Failed" Do suggest some tips. Thanks in advance. Regards, -- Kurian Mathew Thayil. (GPG KeyID: E232394F)
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