Thank Paul and really sorry for the bother
actually the problem was with sendmail
I found out that sendmail was listening only to 127.0.0.1 and not to other
address.
actually this happened nearly the time when i had upgraded SQ mail so i
was jus trying to focus on any settings which might have changed in
squirrelmail config
actually i found using netstat -nl that sendmail was lsitening only on
loopback and further check on sendmail.mc file revelead the below
note the missing #
actually i had the same file running for almost over a year but maybe when
i added RBL feature accidently the hash may have been removed
dnl DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
after commenting the above option and generating sendmail.cf everything
worked perfect
but jus wondering since now sendmail listens to any ip address am i
comprosmising on security
i do have relay-domains file permitting acces for only our local networks
since most users use squirrel mail and after in conf.pl i changed the
sendmail settings to sendmail instaead of smtp everything worked
but some outlook users were complaining its very slow to send mail
anywaway im sorry for bothering you guys
and really apprecite your reply n advice
regards
simon
>> I have the following setup which had been working for a quite long time
>> all the below are running on one server
>> Centos Os 5
>> Sendmail 8.13
>> apache
>> MailScanner 4.77
>> mailwatch
>> Squirrel mail 1.4.13
>
> This is old with several known security holes. You need to upgrade.
>
>> now soemtime back i upgraded my squirrel mail to 1.4.17 and everything
>> working fine.
>
> Still too old with known security holes.
>
>> but I did notice that all emails ( with or without attachments) sent
>> from
>> SQmail web interface were being whitelisted as seen from mailwatch
>> interface.
>
> We don't support SqWebMail. You'll need to go here for that:
>
> http://www.courier-mta.org/sqwebmail/
>
>> this happens since localhost (127.0.0.1 ) is being whitelisted.
>>
>> Actually i found that when in upgrade of SQ mail the Server
>> Settings==>General==>Sendmail or SMTP was sendmail
>>
>> so i changed the setting to SMTP and specified the IP address of my
>> mailserver which is the same machine itself
>>
>> Now after I did that emails sent from the SQmail Web interface are not
>> whitelisted and attachments do get blocked which is perfect and what i
>> want
>>
>> but the problem is that any email ( with or without attachment ) takes
>> very very long time over two or three after clicking on the send icon
>> for
>> the page to refresh
>
> So consult your SMTP logs. If sendmail is fast, then the problem
> probably isn't anything to do with SquirrelMail.
>
>> But if the conf.pl setting is changed to sendmail instead of SMTP it
>> goes
>> within a 2 or 3 seconds
>
> So go look at why your SMTP server is so slow.
>
>> When I had Squirrel mail 1.4.13 the setting was SMTP in conf.pl and it
>> was
>> working fine
>>
>> I did try changing the setting of SMTP from IP address to hostname or
>> fully domain name but problem persists
>>
>> also i tail the maillog and see that the log of the sent message takes a
>> very long time to appear
>
> Can you install 1.4.13 and 1.4.19 on the same machine at the same
> time, using the same configuration file? If you can and 1.4.13 is
> still faster, THEN you can start to figure out what changed.
> Otherwise, I don't think it's a SquirrelMail problem.
>
>> apprecite your kind advice and suggestions as to what could be wrong
>
> --
> Paul Lesniewski
> SquirrelMail Team
> Please support Open Source Software by donating to SquirrelMail!
> http://squirrelmail.org/donations.php
>
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