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Operating Systems
AIX
Debugging a "sendmail" issue
Post 302345635 by tristezo2k on Wednesday 19th of August 2009 07:23:16 PM
08-19-2009
Quote:
however there is a problem which one recipient (lets say hick@jimbob.com) is not getting the emails.
Do others users on the jimbob.com get their email?
Quote:
Something to note, when I tried pinging jimbob.com (domain used in the
When an MTA tries to send an email, it asks for the MX dns record.
It usually points to smtp||mail.domain.tld, but could be any other name/address
Try something like
dig domain.tld MX
to ask for the MaileXchanger.
For instance:
seba@asterix:~$ dig google.com MX
;; QUESTION SECTION:
;google.com. IN MX
;; ANSWER SECTION:
google.com. 900 IN MX 10 smtp1.google.com.
google.com. 900 IN MX 10 smtp2.google.com.
google.com. 900 IN MX 10 smtp3.google.com.
google.com. 900 IN MX 10 google.com.s9a1.psmtp.com.
google.com. 900 IN MX 100 google.com.s9a2.psmtp.com.
;; AUTHORITY SECTION:
google.com. 172800 IN NS ns4.google.com.
google.com. 172800 IN NS ns1.google.com.
google.com. 172800 IN NS ns2.google.com.
google.com. 172800 IN NS ns3.google.com.
;; ADDITIONAL SECTION:
smtp1.google.com. 3600 IN A 74.125.45.25
smtp2.google.com. 3600 IN A 74.125.65.25
smtp3.google.com. 3600 IN A 209.85.137.25
This tells us that if you
seba@asterix:~$ telnet smtp1.google.com. 25
Trying 74.125.45.25...
Connected to smtp1.google.com.
Escape character is '^]'.
help220 smtp.google.com ESMTP
214-2.0.0 This is sendmail version 8.13.8
214-2.0.0 Topics:
214-2.0.0 HELO EHLO MAIL RCPT DATA
214-2.0.0 RSET NOOP QUIT HELP VRFY
214-2.0.0 EXPN VERB ETRN DSN AUTH
214-2.0.0 STARTTLS
214-2.0.0 For more info use "HELP <topic>".
214-2.0.0 To report bugs in the implementation see
214-2.0.0 Contact Us - Support - sendmail.org
214-2.0.0 For local information send email to Postmaster at your site.
214 2.0.0 End of HELP info
help
So, the server is able to communicate with the domain.tld MX
email address) it does not give any results. However the internet browser is able to open the website of jimbob.com, and outlook is able to successfully send to hick@jimbob.com.
Quote:
Which makes me think this is down to a problem within sendmail. Anyone idea's on how to diagnose this issue?
Appreciate any helpful replies.
Appreciate any helpful replies.
Regards
Sebastian
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LEARN ABOUT OSF1
mailstats
mailstats(8) System Manager's Manual mailstats(8) NAME
mailstats - Displays statistics about mail traffic SYNOPSIS
mailstats [-o] [-C cffile [-f stfile] FLAGS
Do not display the name of the mailer in the output. Use cffile as the name of the sendmail "cf" file instead of /var/adm/sendmail/send- mail.cf. Use stfile as the input statistics file instead of /var/adm/sendmail/sendmail.st. DESCRIPTION
The mailstats command reads the information in the /var/adm/sendmail/sendmail.st file (or in the file specified with the -f flag), formats it, and writes it to standard output. Note also that you can change the location of the sendmail.st file by editing its pathname in the sendmail.cf file. EXAMPLES
The format of the information is shown in the following example, in which the first field (M) contains a number that indicates the position of that mailer in the sendmail.cf file, starting at 0 (zero). For example, the first mailer in the sendmail.cf file corresponds to the number 0 in the mailstats display, the second mailer corresponds to the number 1, and so on. Statistics from Thu Feb 17 11:20:01 2000 M msgsfr bytes_from msgsto bytes_to msgsrej msgsdis Mailer 1 50 77K 1 3K 0 0 local 6 43 59K 58 99K 0 0 smtp ============================================================ T 93 136K 59 102K 0 0 The fields in the report have the following meanings: Indicates the position of the mailer in the sendmail.cf file. Indicates the number of messages received by the local machine from the indicated mailer. Indicates the number of bytes in the messages received by the local machine from the indicated mailer. Indicates the number of messages sent from the local machine using the indicated mailer. Indicates the number of bytes in the messages sent from the local machine using the indicated mailer. Indicates the number of rejected messages. Indicates the number of discarded messages. Indicates the name of the mailer. If sendmail transmits mail directly to a file, such as the dead.letter file or an alias target, the message and byte counts are credited to the prog mailer, as defined in the sendmail.cf file. However, mailstats will still default to var/adm/sendmail/sendmail.st. FILES
Specifies the command path Contains system statistics Contains configuration information for sendmail RELATED INFORMATION
Commands: sendmail(8) delim off mailstats(8)