check_smtp doesn't support TLS?

talonx at gmail.com talonx at gmail.com
Mon Dec 27 08:04:59 CET 2010


Hello,

I'm trying to setup the check_smtp plugin for a remote mail server. I
downloaded the latest version of nagios-plugins, built and installed it.
This is what I get when I invoke check_smtp from the command line (actual
data removed) -

> check_smtp -S  -H <server> -p <port> -A LOGIN  -U <username> -P <pass> -v

HELOCMD: EHLO <ip address>
220 mi9 ESMTP SG
sent AUTH LOGIN
received 530 5.7.0 Must issue a STARTTLS command first

sent QUIT
received 221 2.0.0 Bye

SMTP CRITICAL - invalid response received after AUTH LOGIN, 0.171 sec.
response time, 221 2.0.0 Bye

I'm including the -S flag for it to use TLS. I couldn't see any other
options that might be relevant. Any pointers?

Regards
Hrish
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