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Special Forums UNIX and Linux Applications Sendmail delay: 3 mins 11 secs... Every time. Post 303002904 by MadeInGermany on Monday 4th of September 2017 06:19:36 PM
Old 09-04-2017
With the smarthost sendmail does an MX lookup first, like
Code:
nslookup -q=mx outlook.fqdn.uk

If there is no MX it falls back to gethostbyname lookup, like
Code:
getent hosts outlook.fqdn.uk

The second goes to /etc/inet/hosts first (ensure that /etc/hosts and /etc/inet/ipnodes are symlinks to it!)
I have told you to try
Code:
nslookup -q=mx mailhost.fqdn.uk

because mailhost is a more standard name for an MX, and MX (mail exchanger records) is the standard for SMTP mailers (is a list of mail servers with a weight for true load balancing). I wonder why you ignore the MX and try to emulate load balancing with a number of IP addresses.
If you want to try sendmail.mc (which is the correct way according to sendmail.org but might be more hassle than a direct change in sendmail.cf), there is a README somewhere in /usr/lib/mail/
and there is also an article in docs.oracle.com.
This User Gave Thanks to MadeInGermany For This Post:
 

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MAILSTATS(8)						      System Manager's Manual						      MAILSTATS(8)

NAME
mailstats - display mail statistics SYNOPSIS
mailstats [-c] [-o] [-p] [-P] [-C cffile] [-f stfile] DESCRIPTION
The mailstats utility displays the current mail statistics. First, the time at which statistics started being kept is displayed, in the format specified by ctime(3). Then, the statistics for each mailer are displayed on a single line, each with the following white space separated fields: M The mailer number. msgsfr Number of messages from the mailer. bytes_from Kbytes from the mailer. msgsto Number of messages to the mailer. bytes_to Kbytes to the mailer. msgsrej Number of messages rejected. msgsdis Number of messages discarded. msgsqur Number of messages quarantined. Mailer The name of the mailer. After this display, a line totaling the values for all of the mailers is displayed (preceded with a ``T''), separated from the previous information by a line containing only equals (``='') characters. Another line preceded with a ``C'' lists the number of TCP connections. The options are as follows: -C Read the specified file instead of the default sendmail configuration file. -c Try to use submit.cf instead of the default sendmail configuration file. -f Read the specified statistics file instead of the statistics file specified in the sendmail configuration file. -P Output information in program-readable mode without clearing statistics. -p Output information in program-readable mode and clear statistics. -o Don't display the name of the mailer in the output. The mailstats utility exits 0 on success, and >0 if an error occurs. FILES
/etc/mail/sendmail.cf The default sendmail configuration file. /var/lib/sendmail/statistics The default sendmail statistics file. /etc/mail/statistics The symbolic link to the statistics file. SEE ALSO
mailq(1), sendmail(8) $Date: 2002/06/27 22:47:29 $ MAILSTATS(8)
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