[SOLVED] Sending smart host mail via cluster node server?

H

H.c.K

Well-Known Member
Oct 16, 2019
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Hi, I have cluster making including 1 master and 1 node. I am sending mail from my mail servers. I can send mail as smarthost from my pmg1.abc.com master server. When I type the address of my pmg2.abc.com node server, I can't log out. How can I help you solve it?
 
I don't understand the question - please explain (and include logs, configs, screenshots) what is not working the way you expect it

thanks!
 
Stoiko Ivanov said:
I don't understand the question - please explain (and include logs, configs, screenshots) what is not working the way you expect it

thanks!
Click to expand...
I tried to send mail from cluster node server with smart host. But I understand that because the node server is a backup server, mail is not sent.

mailserver3.abc.com -> smarthost -> pmg1.abc.com(master) -> mail send ok
mailserver3.abc.com -> smarthost -> pmg2.abc.com(node) -> mail send failed. (Do not drop any log.)

my project:

Cluster
pmg1.abc.com -> master
pmg2.abc.com -> node
pmg3.abc.com -> node
pmg4.abc.com -> node
pmg5.abc.com -> node

mail outgoing traffic (I understand that this structure will not.):
mailserver1.abc.com smarthost -> pmg2.abc.com -> send mail
mailserver2.abc.com smarthost -> pmg3.abc.com -> send mail
mailserver3.abc.com smarthost -> pmg4.abc.com -> send mail
mailserver4.abc.com smarthost -> pmg5.abc.com -> send mail
Is it possible for a structure like the one above?
 
H.c.K said:
(Do not drop any log.)
Click to expand...
There needs to be some logs:
* does mailserver3.abc.com try to send an email to pmg2.abc.com?
* if yes /var/log/mail.log of pmg2.abc.com has some log-lines of the connection attempt
* if no the configuration problem is on mailserver3.abc.com

I hope this helps!
 
Stoiko Ivanov said:
There needs to be some logs:
* does mailserver3.abc.com try to send an email to pmg2.abc.com?
* if yes /var/log/mail.log of pmg2.abc.com has some log-lines of the connection attempt
* if no the configuration problem is on mailserver3.abc.com

I hope this helps!
Click to expand...

Hi Stoiko,
After logging smarthost, no log has been dropped. The same records always exist. mail server is waiting in the queue. When I change smarthost from mail server to pmg1.abc.com it starts to send directly.
After installing this server, I made a direct join to pmg1.abc.com. All settings were made from the master cluster server pmg1.abc.com.
Cluster status:


Code: 
Jan  8 08:00:12 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 08:00:12 pmg2 pmgpolicy[3399]: end policy database maintainance (11 ms, 3 ms)
Jan  8 08:00:12 pmg2 pmgpolicy[3399]: Received a SIG HUP
Jan  8 08:00:12 pmg2 pmgpolicy[3399]: 2020/01/08-08:00:12 Server closing!
Jan  8 08:00:12 pmg2 pmgpolicy[3399]: 2020/01/08-08:00:12 Re-exec server during HUP
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: WARNING: Pid_file created by this same process. Doing nothing.
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: WARNING: Pid_file created by this same process. Doing nothing.
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: 2020/01/08-08:00:13 main (type Net::Server::PreForkSimple) starting! pid(3399)
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Binding open file descriptors
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Binding to TCP port 10022 on host 127.0.0.1 with IPv4
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Reassociating file descriptor 5 with TCP on [127.0.0.1]:10022, using IPv4
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Group Not Defined.  Defaulting to EGID '0'
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: User Not Defined.  Defaulting to EUID '0'
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Setting up serialization via flock
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Policy daemon (re)started
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Beginning prefork (5 processes)
Jan  8 08:00:13 pmg2 pmgpolicy[3399]: Starting "5" children
Jan  8 08:01:20 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 08:01:20 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 08:02:23 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 08:02:23 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 08:03:20 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 08:03:20 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 08:04:33 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 08:04:33 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 12:45:16 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 12:57:47 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 12:57:47 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 12:58:07 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 12:58:07 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 12:59:47 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 12:59:47 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:00:13 pmg2 pmgpolicy[3399]: Received a SIG HUP
Jan  8 13:00:13 pmg2 pmgpolicy[3399]: 2020/01/08-13:00:13 Server closing!
Jan  8 13:00:13 pmg2 pmgpolicy[3399]: 2020/01/08-13:00:13 Re-exec server during HUP
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: WARNING: Pid_file created by this same process. Doing nothing.
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: WARNING: Pid_file created by this same process. Doing nothing.
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: 2020/01/08-13:00:14 main (type Net::Server::PreForkSimple) starting! pid(3399)
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Binding open file descriptors
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Binding to TCP port 10022 on host 127.0.0.1 with IPv4
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Reassociating file descriptor 6 with TCP on [127.0.0.1]:10022, using IPv4
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Group Not Defined.  Defaulting to EGID '0'
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: User Not Defined.  Defaulting to EUID '0'
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Setting up serialization via flock
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Policy daemon (re)started
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Beginning prefork (5 processes)
Jan  8 13:00:14 pmg2 pmgpolicy[3399]: Starting "5" children
Jan  8 13:01:47 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:01:47 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:02:24 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:02:24 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:03:48 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:03:48 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:04:34 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:04:34 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:05:57 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:05:57 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:06:41 pmg2 pmg-smtp-filter[64406]: Ran out of accept retries!
Jan  8 13:30:26 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:30:26 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:32:02 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:32:02 pmg2 pmg-smtp-filter[64401]: end database maintainance (5 ms)
Jan  8 13:32:36 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:32:36 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:34:02 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:34:02 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:34:46 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:34:46 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:36:03 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:36:03 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:36:56 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:36:56 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:38:03 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:38:03 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:39:06 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:39:06 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:40:03 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:40:03 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:41:16 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:41:16 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 13:42:03 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:42:03 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:43:26 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:43:26 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 3 ms)
Jan  8 13:44:03 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 13:44:03 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 13:45:36 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 13:45:36 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 14:00:04 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 14:00:05 pmg2 pmgpolicy[3399]: Received a SIG HUP
Jan  8 14:00:05 pmg2 pmgpolicy[3399]: 2020/01/08-14:00:05 Server closing!
Jan  8 14:00:05 pmg2 pmgpolicy[3399]: 2020/01/08-14:00:05 Re-exec server during HUP
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: WARNING: Pid_file created by this same process. Doing nothing.
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: WARNING: Pid_file created by this same process. Doing nothing.
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: 2020/01/08-14:00:06 main (type Net::Server::PreForkSimple) starting! pid(3399)
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Binding open file descriptors
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Binding to TCP port 10022 on host 127.0.0.1 with IPv4
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Reassociating file descriptor 5 with TCP on [127.0.0.1]:10022, using IPv4
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Group Not Defined.  Defaulting to EGID '0'
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: User Not Defined.  Defaulting to EUID '0'
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Setting up serialization via flock
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Policy daemon (re)started
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Beginning prefork (5 processes)
Jan  8 14:00:06 pmg2 pmgpolicy[3399]: Starting "5" children
Jan  8 14:02:04 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 14:02:04 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 14:06:04 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 14:06:04 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
Jan  8 14:06:36 pmg2 pmgpolicy[3399]: starting policy database maintainance (greylist, rbl)
Jan  8 14:06:36 pmg2 pmgpolicy[3399]: end policy database maintainance (10 ms, 2 ms)
Jan  8 14:08:04 pmg2 pmg-smtp-filter[64401]: starting database maintainance
Jan  8 14:08:04 pmg2 pmg-smtp-filter[64401]: end database maintainance (4 ms)
 

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In this log nothing connects to the pmg -> check the configuration of the 'mailserver3.abc.com' and its logs!
 
Stoiko Ivanov said:
In this log nothing connects to the pmg -> check the configuration of the 'mailserver3.abc.com' and its logs!
Click to expand...
Hi Stoiko, (Thank you so much for your help. I know I asked you a lot of questions. I'm new to the mail gateway field. You will always be on my mind in the future and I will always thank you.)
The pmg2.abc.com node server receives all settings from the master server. On mailserver3.abc.com server -> 'pmg1.abc.com master' sends it directly when I set it to smarthost. What kind of adjustment should I make because it's a cluster. SMTP Port in Turkey is 587.

mailserver3.abc.com smtp log -> smarthost -> pmg2.abc.com node of cluster:
Line 428013: 01/08/20 11:24:44 ME-I0122: [4703EE75D2ED24.MAI] SMTP Server is forwarding all mail (directly) to SMTP Hosts [pmg2.abc.com:587].
Line 428026: 01/08/20 11:24:45 ME-E0038: [4703EE75D2ED24.MAI] Communications Error: Socket connection to pmg2.abc.com failed (error 10061). The host was either not contactable or it rejected your connection. Socket Family = 2; Host=1.1.1.2; Port=587

mailserver3.abc.com smtp log-> smarthost -> pmg1.abc.com master of cluster
7FE299CCACB31D4.MAI] SMTP Server is forwarding all mail (directly) to SMTP Hosts [pmg1.abc:587].
 

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Last edited:
H.c.K said:
SMTP Port in Turkey is 587.
Click to expand...
port 587 is usually used for authenticated smtp (with required starttls - also called mail submission service MSA) - something where clients (users) send their mail to - not where 2 mailservers (e.g. your downstream server and PMG) communicate.
Since PMG does not use authentication and is meant as a proxy in front of a server port 587 is not listening by default - as the error-message from your downstream server states:

H.c.K said:
Line 428026: 01/08/20 11:24:45 ME-E0038: [4703EE75D2ED24.MAI] Communications Error: Socket connection to pmg2.abc.com failed (error 10061). The host was either not contactable or it rejected your connection. Socket Family = 2; Host=1.1.1.2; Port=587
Click to expand...

The simplest would be to point your downstream server to send mail to the internal port of PMG (26 in a default setup)
 
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Stoiko Ivanov said:
port 587 is usually used for authenticated smtp (with required starttls - also called mail submission service MSA) - something where clients (users) send their mail to - not where 2 mailservers (e.g. your downstream server and PMG) communicate.
Since PMG does not use authentication and is meant as a proxy in front of a server port 587 is not listening by default - as the error-message from your downstream server states:



The simplest would be to point your downstream server to send mail to the internal port of PMG (26 in a default setup)
Click to expand...

Hi Stoiko,
i solved node restart. Now sending mail. Thank you.
 
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