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Fred Krogh
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PostPosted: Sat May 30, 2015 10:26 pm    Post subject: shorewall/mail question -- RESOLVED Reply with quote

I am trying to setup mail at 192.168.1.4. The router is at 192.168.1.1. The mail server is at 192.168.1.2. When I try to set this up I the message "Thunderbird failed to find the setting for your email account". I'm hoping the output in /var/log/messages (from 192.168.1.2) will shed some light on where the problem might be. Of course any other ideas are most welcome, maybe postfix configuration, or ???
Quote:
May 30 15:11:47 mon1 postfix/smtpd[21407]: connect from hplt[192.168.1.4]
May 30 15:11:47 mon1 postfix/smtpd[21407]: disconnect from hplt[192.168.1.4] ehlo=1 quit=1 commands=2
May 30 15:01:27 mon1 kernel: Shorewall:net2fw:DROP:IN=eth0 OUT= MAC=f4:6d:04:d6:7d:15:00:16:d4:0e:4e:0a:08:00 SRC=192.168.1.4 DST=192.168.1.2 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=49189 DF PROTO=TCP SPT=46532 DPT=110 WINDOW=29200 RES=0x00 SYN URGP=0

Thanks,
Fred


Last edited by Fred Krogh on Sun May 31, 2015 1:13 pm; edited 1 time in total
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NeddySeagoon
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PostPosted: Sun May 31, 2015 10:53 am    Post subject: Reply with quote

Fred Krogh,

Code:
Shorewall:net2fw:DROP:IN=eth0 OUT= MAC=f4:6d:04:d6:7d:15:00:16:d4:0e:4e:0a:08:00 SRC=192.168.1.4 DST=192.168.1.2 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=49189 DF PROTO=TCP SPT=46532 DPT=110 WINDOW=29200 RES=0x00 SYN URGP=0


This tells that a packet from SRC=192.168.1.4 to DST=192.168.1.2 using PROTO=TCP, that was being sent from net2fw:DROP (net to the firewall) was dropped.

Shorewall considers the firewall to be its own zone, did you take that into account?
I use shorewall too, so I can share my setup if you want.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Fred Krogh
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PostPosted: Sun May 31, 2015 1:12 pm    Post subject: Reply with quote

Thanks Neddy. It seems I needed to add POP3 to things I would accept in the rules. I'm not clear on why this used to work without the router, but for now I'm a very happy camper.
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