As I updated from Centos5 to 6, I noted that there had been 1 change in the sendmail submit.mc file between the two oses. In Centos6 using sendmail-8.14.4-8.el6.i686.rpm it has the line:
sinclude(`/usr/share/sendmail-cf/m4/cf.m4')dnl
whereas in Centos5.6 (no longer sure what version of sendmail I was using) this line was:
include(`/usr/share/sendmail-cf/m4/cf.m4')dnl
I have been getting an error when trying to send mail in Centos6 where nss_win was reporting:
'... did not issue MAIL/EXPN/VRFY/ETRN during connection to MSA'
After changing the line back to the Centos5 version this error has gone away. I note that this change was introduced in sendmail 8.14.1-4.
From the m4 docs it appears the only difference between the two is that if the file does not exist 'include' returns an error, whereas 'sinclude' does not.
The file exists on my machine.
Has anyone else experienced this issue? Does anybody have an insight as to what might be causing this?
Sendmail configuration of submit.mc
Issues related to applications and software problems
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