Can't Send Mail No Longer

Can't Send Mail No Longer

[Bato mainit]

Hi,

In March this year I got my broadband Internet connection and I could go on sending mail as before using my ISPs.

2 weeks ago the base station for my BB was hit by lighhtening and some eletronics destroyed. It took 12 days to repair and to restore my connection.

After this I cannot send anymore my mail with mail programs such as exmh, mail, sylpheed or thunderbird. This is in 3 distros, knoppix, slackware and fedora 3. No problem using web mail such as operamail and no problem receiving mail.

Sending mail ends in the mail queue.

In /var/log/maillog I get:

to=<mainit@operamail.com>, ctladdr=<root@skyinet.net> (0/0), delay=05:05:22, xdelay=00:25:12, mailer=esmtp, pri=750444, relay=operamail-com-bk.mr.outblaze.com. [205.158.62.147], dsn=4.0.0, stat=Deferred: Connection timed out with operamail-com-bk.mr.outblaze.com.
Jun  7 16:35:04 skyinet sm-mta[1607]: j573WBYl000306: to=<bato_mainit@ispx.com.ph>, ctladdr=<heisspf@skyinet.net> (12346/100), delay=05:02:53, xdelay=00:00:00, mailer=esmtp, pri=1020462, relay=inmxsp.tri-isys.com., dsn=4.0.0, stat=Deferred: Connection timed out with inmxsp.tri-isys.com.

or

Jun  7 15:12:51 skyinet sm-mta[1166]: j56NthE8000246: to=<bato_mainit@ispx.com.ph>, ctladdr=<heisspf@skyinet.net> (12346/100), delay=07:17:08, xdelay=00:00:00, mailer=esmtp, pri=1110462, relay=ispx.com.ph., dsn=4.0.0, stat=Deferred: Name server: ispx.com.ph.: host name lookup failure

Jun  7 15:13:34 skyinet sm-mta[1335]: gethostbyaddr(192.168.232.2) failed: 1

This last entry I never saw before, that is when I could still send mail before the lightening strike.

I noticed that in /etc/resolv.conf the entry now is:

nameserver 203.87.128.3
nameserver 203.87.128.4
nameserver 203.87.132.68
search meridiantelekoms.com

whereas before the lightening strike it was only:

nameserver 203.87.128.3
search meridiantelekoms.com

I have been unable to get useful information from the tech service of meridiantelekoms.

Hopefully this list can help. Please send all replies to heisspf@skyinet.net

Thanks & regards

------
Peter




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Re: Can't Send Mail No Longer

[Stephen Samuel]

There are two possible explanations here... The least likely (but probably
neds to be investigated first) is that it's some sort of wierd problem with
your firewall that is blocking outgoing Port 25 messages.

The other, more lkiely issue is that with your new connection , your ISP
is blocking outgoing port25 connections, other than to their own server.
If you're using sendmail, then you can set the Smart Relay Host to be
your designated ISP SMTP server.

# "Smart" relay host (may be null)
DSmail.my-isp-name.net

Other mail servers can also be set in a similar manner.

The other way to test this is to use iptables to redirect outgoing SMTP
connections to go to your ISP's mailserver instead of wherever
they would normally go...

You can also use this to test the problem -- if the patch works, then you
should do the work to configure your mail servers properly...

iptables -t nat -I OUTPUT -m tcp -p tcp --dport 25 -j DNAT 
--to-destination 10.11.12.13

(( replace 10.11.12.13 with the IP address of your ISP's mail server ))

nslookup mail.myisp_name.net should probably get you a workable ip address.

Bato mainit wrote:

>Hi,
>
>In March this year I got my broadband Internet connection and I could go on sending mail as before using my ISPs.
>
>2 weeks ago the base station for my BB was hit by lighhtening and some eletronics destroyed. It took 12 days to repair and to restore my connection.
>
>After this I cannot send anymore my mail with mail programs such as exmh, mail, sylpheed or thunderbird. This is in 3 distros, knoppix, slackware and fedora 3. No problem using web mail such as operamail and no problem receiving mail.
>
>Sending mail ends in the mail queue.
>
>In /var/log/maillog I get:
>
>to=<mainit@operamail.com>, ctladdr=<root@skyinet.net> (0/0), delay=05:05:22, xdelay=00:25:12, mailer=esmtp, pri=750444, relay=operamail-com-bk.mr.outblaze.com. [205.158.62.147], dsn=4.0.0, stat=Deferred: Connection timed out with operamail-com-bk.mr.outblaze.com.
>Jun  7 16:35:04 skyinet sm-mta[1607]: j573WBYl000306: to=<bato_mainit@ispx.com.ph>, ctladdr=<heisspf@skyinet.net> (12346/100), delay=05:02:53, xdelay=00:00:00, mailer=esmtp, pri=1020462, relay=inmxsp.tri-isys.com., dsn=4.0.0, stat=Deferred: Connection timed out with inmxsp.tri-isys.com.
>
>or
>
>Jun  7 15:12:51 skyinet sm-mta[1166]: j56NthE8000246: to=<bato_mainit@ispx.com.ph>, ctladdr=<heisspf@skyinet.net> (12346/100), delay=07:17:08, xdelay=00:00:00, mailer=esmtp, pri=1110462, relay=ispx.com.ph., dsn=4.0.0, stat=Deferred: Name server: ispx.com.ph.: host name lookup failure
>
>Jun  7 15:13:34 skyinet sm-mta[1335]: gethostbyaddr(192.168.232.2) failed: 1
>
>This last entry I never saw before, that is when I could still send mail before the lightening strike.
>
>I noticed that in /etc/resolv.conf the entry now is:
>
>nameserver 203.87.128.3
>nameserver 203.87.128.4
>nameserver 203.87.132.68
>search meridiantelekoms.com
>
>whereas before the lightening strike it was only:
>
>nameserver 203.87.128.3
>search meridiantelekoms.com
>
>I have been unable to get useful information from the tech service of meridiantelekoms.
>
>Hopefully this list can help. Please send all replies to heisspf@skyinet.net
>
>Thanks & regards
>
>------
>Peter
>  
>
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Re: Can't Send Mail No Longer

[heisspf]

Thanks Stephen!

Peter wrote
>
>>In March this year I got my broadband Internet connection and I could go
on >>sending mail as before using my ISPs.
>
>> 2 weeks ago the base station for my BB was hit by lighhtening and some
>>eletronics destroyed. It took 12 days to repair and to restore my
connection.
>
>>After this I cannot send anymore my mail with mail programs such as exmh,
>>mail, sylpheed or thunderbird. This is in 3 distros, knoppix, slackware
and >>fedora 3. No problem using web mail such as operamail and no problem
receiving >mail.
--snip--

Stephen wrote

>If you're using sendmail, then you can set the Smart Relay Host to be
>your designated ISP SMTP server.

># "Smart" relay host (may be null)
>DSmail.my-isp-name.net

I entered:DSmail.skyinet.net

Then I did telinit 1, telinit 3. The result is the same, mail will not go
out.

If I do as you suggested

iptables -t nat -I OUTPUT -m tcp -p tcp --dport 25 -j DNAT 
--to-destination 202.78.97.2

then there is no output.

nslookup skyinet.net (my ISP I am sending mail)
Server:         203.87.128.3
Address:        203.87.128.3#53

Non-authoritative answer:
Name:   skyinet.net
Address: 202.78.97.2

and 

nslookup meridian.ph (meridian the broadband connection)
Server:         203.87.128.3
Address:        203.87.128.3#53

Name:   meridian.ph
Address: 203.87.128.87

On booting I get:

dhcpcd: Your IP Address = 198.168.232.2

nslookup 192.168.232.2
Server:         203.87.128.3
Address:        203.87.128.3#53

** server can't find 2.232.168.192.in-addr.arpa: NXDOMAIN

I finally got an answer from meridian, which is all:
Quote
try using smtp.meridian.ph as your SMTP server....  and also check 
that you are using meridian service for the said configuration, using 
your skyinet and ispx connection wouldn't work with our SMTP server.
Unquote

They don't touch why it had worked for 2 1/2 months.

Should smtp.meridian.ph not have a login name and password. I have asked
that and have no answer yet.

I am sednding this mail with mail2web.com. It's a lot more cumbersome then
using a MUA or just "mail" from the console.

Hope we can resolve this problem. I need step by step instructions adopted
to my cranial capacity. Have patience therefore. 

Regards

Peter

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