Mailer Issue.

Mark Stewart Mark.Stewart at bacs.co.uk
Fri Feb 21 10:21:08 GMT 2003


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if your getting timeout error messages in sendmail - usually you will have =
processes in an sbwait state if there are problems with bandwidth. (look at=
 sockstat)
=20
try pinging each machine and see how fast the response is (latency)? (you c=
an set lots of timeout options in sendmail but defaults should work)
=20
if you can send mail from the machine perhaps mail has a problem coming fro=
m your local domain ? take it mails are relayed locally from exchange or th=
e like ?
=20
in resolve.conf and hosts ensure aliases and named servers are added as the=
y should be. (I have put "search mydomain.com" at the top of my resolve.con=
f file)
=20
mark

-----Original Message-----
From: Abdul Salam. Netsite Ltd [mailto:abdul at netsite.co.uk]
Sent: 21 February 2003 09:33
To: Jim Mortimer; FreeBSD User Group
Subject: Re: Mailer Issue.


Hi Jim,
=20
Thanks for the input. But, netstat -ant | grep :25 returns nothing on the m=
achine. I am not sure what you meant by state of TCP connection. Could you =
let me know how to find it. Here is the full output of netstat -ant
=20
Active Internet connections (including servers)

Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)

tcp4       0      4  172.16.1.53.23         172.16.1.1.63343       ESTABLIS=
HED

tcp4       0      0  172.16.1.53.80         *.*                    LISTEN

tcp4       0      0  *.3306                 *.*                    LISTEN

tcp4       0      0  *.587                  *.*                    LISTEN

tcp4       0      0  *.25                   *.*                    LISTEN

tcp4       0      0  *.22                   *.*                    LISTEN

tcp46      0      0  *.22                   *.*                    LISTEN

tcp4       0      0  *.79                   *.*                    LISTEN

tcp4       0      0  *.23                   *.*                    LISTEN

tcp4       0      0  *.21                   *.*                    LISTEN

udp4       0      0  *.514                  *.*                   =20

udp6       0      0  *.514                  *.*                   =20

Active UNIX domain sockets

Address  Type   Recv-Q Send-Q    Inode     Conn     Refs  Nextref Addr

c8eccf80 stream      0      0 c8f2c980        0        0        0 /tmp/mysq=
l.sock

c8eccf00 dgram       0      0        0 c8e9cfc0        0 c8eccfc0

c8eccfc0 dgram       0      0        0 c8e9cfc0        0        0

c8e9cfc0 dgram       0      0 c8e97e80        0 c8eccf00        0 /var/run/=
log
Many thanks,
=20
-Abdul
=20

----- Original Message -----=20
From: Jim  <mailto:jim at mortimer.uklinux.net> Mortimer=20
To: Abdul Salam. Netsite Ltd <mailto:abdul at netsite.co.uk>  ; FreeBSD User G=
roup <mailto:freebsd-users at uk.freebsd.org> =20
Sent: Thursday, February 20, 2003 7:09 PM
Subject: Re: Mailer Issue.

Have you looked at the output of netstat -ant | grep :25 while you attempt =
to send mail?   What state is the TCP connection to your relay in?
=20
Best Wishes, Jim



-----------------------------------------------------

You can find us at www.bacs.co.uk=20

*****************************************************
This communication is confidential and intended for=20
the exclusive use of the addressee only. You should=20
not disclose its contents to any other person.
If you are not the intended recipient please notify=20
the sender named above immediately.

BACS Limited, registered in England, No 1023742,=20
3 De Havilland Road, Edgware, Middlesex, HA8 5QA
*****************************************************


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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN class=3D331430910-21=
022003>if=20
your getting timeout error messages in sendmail -&nbsp;usually you will hav=
e=20
processes in an sbwait state if there are problems with&nbsp;bandwidth. (lo=
ok at=20
sockstat)</SPAN></FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
class=3D331430910-21022003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN class=3D331430910-21=
022003>try=20
pinging each machine and see how fast the response is (latency)? (you can s=
et=20
lots of timeout options in sendmail but defaults should=20
work)</SPAN></FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
class=3D331430910-21022003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN class=3D331430910-21=
022003>if you=20
can send mail from the machine perhaps mail has a problem coming from your =
local=20
domain ? take it mails are relayed locally from exchange or the like=20
?</SPAN></FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
class=3D331430910-21022003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN class=3D331430910-21=
022003>in=20
resolve.conf and hosts ensure aliases and named servers are added as they s=
hould=20
be. (I have put "search mydomain.com" at the top of my resolve.conf=20
file)</SPAN></FONT></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
class=3D331430910-21022003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
class=3D331430910-21022003>mark</SPAN></FONT></DIV>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
  <DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT face=3DTah=
oma=20
  size=3D2>-----Original Message-----<BR><B>From:</B> Abdul Salam. Netsite =
Ltd=20
  [mailto:abdul at netsite.co.uk]<BR><B>Sent:</B> 21 February 2003=20
  09:33<BR><B>To:</B> Jim Mortimer; FreeBSD User Group<BR><B>Subject:</B> R=
e:=20
  Mailer Issue.<BR><BR></FONT></DIV>
  <DIV><FONT face=3DArial size=3D2>Hi Jim,</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT face=3DArial size=3D2>Thanks for the input. But, netstat -ant =
| grep=20
  :25 returns nothing on the machine. I am&nbsp;not sure what you meant by =
state=20
  of TCP connection. Could you let me know how to find it. Here is the full=
   output of netstat -ant</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
  <DIV><PRE>Active Internet connections (including servers)
Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)
tcp4       0      4  172.16.1.53.23         172.16.1.1.63343       ESTABLIS=
HED
tcp4       0      0  172.16.1.53.80         *.*                    LISTEN
tcp4       0      0  *.3306                 *.*                    LISTEN
tcp4       0      0  *.587                  *.*                    LISTEN
tcp4       0      0  *.25                   *.*                    LISTEN
tcp4       0      0  *.22                   *.*                    LISTEN
tcp46      0      0  *.22                   *.*                    LISTEN
tcp4       0      0  *.79                   *.*                    LISTEN
tcp4       0      0  *.23                   *.*                    LISTEN
tcp4       0      0  *.21                   *.*                    LISTEN
udp4       0      0  *.514                  *.*                   =20
udp6       0      0  *.514                  *.*                   =20
Active UNIX domain sockets
Address  Type   Recv-Q Send-Q    Inode     Conn     Refs  Nextref Addr
c8eccf80 stream      0      0 c8f2c980        0        0        0 /tmp/mysq=
l.sock
c8eccf00 dgram       0      0        0 c8e9cfc0        0 c8eccfc0
c8eccfc0 dgram       0      0        0 c8e9cfc0        0        0
c8e9cfc0 dgram       0      0 c8e97e80        0 c8eccf00        0 /var/run/=
log
</PRE></DIV>
  <DIV><FONT face=3DArial size=3D2>Many thanks,</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT face=3DArial size=3D2>-Abdul</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
  <BLOCKQUOTE dir=3Dltr=20
  style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-=
LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
    <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
    <DIV=20
    style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>F=
rom:</B>=20
    <A title=3Djim at mortimer.uklinux.net href=3D"mailto:jim at mortimer.uklinux=
.net">Jim=20
    Mortimer</A> </DIV>
    <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A title=3Dabdul at netsite.co.=
uk=20
    href=3D"mailto:abdul at netsite.co.uk">Abdul Salam. Netsite Ltd</A> ; <A=
     title=3Dfreebsd-users at uk.freebsd.org=20
    href=3D"mailto:freebsd-users at uk.freebsd.org">FreeBSD User Group</A> </D=
IV>
    <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday, February 20, 200=
3 7:09=20
    PM</DIV>
    <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: Mailer Issue.</DIV>
    <DIV><BR></DIV>
    <DIV><FONT face=3DArial size=3D2>Have you looked at the output of netst=
at -ant |=20
    grep :25 while you attempt to send mail?&nbsp;&nbsp;&nbsp;What state is=
 the=20
    TCP connection to your relay in?</FONT></DIV>
    <DIV>&nbsp;</DIV>
    <DIV><FONT face=3DArial size=3D2>Best Wishes,=20
Jim</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE><CODE><FONT SIZE=3D3><BR>
<BR>
-----------------------------------------------------<BR>
<BR>
You can find us at www.bacs.co.uk <BR>
<BR>
*****************************************************<BR>
This communication is confidential and intended for <BR>
the exclusive use of the addressee only. You should <BR>
not disclose its contents to any other person.<BR>
If you are not the intended recipient please notify <BR>
the sender named above immediately.<BR>
<BR>
BACS Limited, registered in England, No 1023742, <BR>
3 De Havilland Road, Edgware, Middlesex, HA8 5QA<BR>
*****************************************************<BR>
</FONT></CODE>
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