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Old 10th September 2011, 10:11
onlinewebs onlinewebs is offline
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Default Cant connect to SMTP usign Microsoft Outlook

Hi,

First of all I would like to thank you for this great software. I have just migrated from using Kloxo and am having some problems in the initial setup.

I am trying to use Microsoft Outlook to send and receive emails. However, Outlook is unable to connect to the outgoing server. I am using Debian with ISPConfig 3. I checked your manual also, but couldn't find a solution.

http://http://http://allnetsols.com/Untitled-1.jpg

Some of the Outputs that may provide relevant details are given below:-

Quote:
# telnet allnetsols.com 25
Trying 67.217.170.187...
Connected to allnetsols.com.
Escape character is '^]'.
220 oriental.allnetsols.com ESMTP Postfix (Debian/GNU)
Quote:
# iptables -L
Chain INPUT (policy DROP)
target prot opt source destination
fail2ban-dovecot-pop3imap tcp -- anywhere anywhere multiport dports pop3,pop3s,imap2,imaps
fail2ban-ssh tcp -- anywhere anywhere multiport dports ssh
LOCALINPUT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT udp -- google-public-dns-b.google.com anywhere udp spts:1024:65535 dpt:domain
ACCEPT tcp -- google-public-dns-b.google.com anywhere tcp spts:1024:65535 dpt:domain
ACCEPT udp -- google-public-dns-b.google.com anywhere udp spt:domain dpts:1024:65535
ACCEPT tcp -- google-public-dns-b.google.com anywhere tcp spt:domain dpts:1024:65535
ACCEPT udp -- google-public-dns-b.google.com anywhere udp spt:domain dpt:domain
ACCEPT udp -- google-public-dns-a.google.com anywhere udp spts:1024:65535 dpt:domain
ACCEPT tcp -- google-public-dns-a.google.com anywhere tcp spts:1024:65535 dpt:domain
ACCEPT udp -- google-public-dns-a.google.com anywhere udp spt:domain dpts:1024:65535
ACCEPT tcp -- google-public-dns-a.google.com anywhere tcp spt:domain dpts:1024:65535
ACCEPT udp -- google-public-dns-a.google.com anywhere udp spt:domain dpt:domain
INVALID tcp -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ftp-data
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ftp
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ssh
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:smtp
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:domain
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:www
ACCEPT tcp -- anywhere anywhere state NEW tcp dptop3
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:imap2
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:https
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ssmtp
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:submission
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:imaps
ACCEPT tcp -- anywhere anywhere state NEW tcp dptop3s
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:http-alt
ACCEPT udp -- anywhere anywhere state NEW udp dpt:20
ACCEPT udp -- anywhere anywhere state NEW udp dpt:fsp
ACCEPT udp -- anywhere anywhere state NEW udp dpt:domain
ACCEPT icmp -- anywhere anywhere icmp echo-request limit: avg 1/sec burst 5
ACCEPT icmp -- anywhere anywhere icmp echo-reply limit: avg 1/sec burst 5
ACCEPT icmp -- anywhere anywhere icmp time-exceeded
ACCEPT icmp -- anywhere anywhere icmp destination-unreachable
LOGDROPIN all -- anywhere anywhere

Chain FORWARD (policy DROP)
target prot opt source destination

Chain OUTPUT (policy DROP)
target prot opt source destination
LOCALOUTPUT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT tcp -- anywhere anywhere tcp dpt:domain
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp spt:domain
ACCEPT udp -- anywhere anywhere udp spt:domain
INVALID tcp -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ftp-data
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ftp
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ssh
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:smtp
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:domain
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:www
ACCEPT tcp -- anywhere anywhere state NEW tcp dptop3
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:auth
ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:https
ACCEPT udp -- anywhere anywhere state NEW udp dpt:20
ACCEPT udp -- anywhere anywhere state NEW udp dpt:fsp
ACCEPT udp -- anywhere anywhere state NEW udp dpt:domain
ACCEPT udp -- anywhere anywhere state NEW udp dpt:113
ACCEPT udp -- anywhere anywhere state NEW udp dpt:ntp
ACCEPT icmp -- anywhere anywhere icmp echo-reply
ACCEPT icmp -- anywhere anywhere icmp echo-request
ACCEPT icmp -- anywhere anywhere icmp time-exceeded
ACCEPT icmp -- anywhere anywhere icmp destination-unreachable
LOGDROPOUT all -- anywhere anywhere

Chain INVALID (2 references)
target prot opt source destination
INVDROP all -- anywhere anywhere state INVALID
INVDROP tcp -- anywhere anywhere tcp flags:FIN,SYN,RST,PSH,ACK,URG/NONE
INVDROP tcp -- anywhere anywhere tcp flags:FIN,SYN,RST,PSH,ACK,URG/FIN,SYN,RST,PSH,ACK,URG
INVDROP tcp -- anywhere anywhere tcp flags:FIN,SYN/FIN,SYN
INVDROP tcp -- anywhere anywhere tcp flags:SYN,RST/SYN,RST
INVDROP tcp -- anywhere anywhere tcp flags:FIN,RST/FIN,RST
INVDROP tcp -- anywhere anywhere tcp flags:FIN,ACK/FIN
INVDROP tcp -- anywhere anywhere tcp flags:PSH,ACK/PSH
INVDROP tcp -- anywhere anywhere tcp flags:ACK,URG/URG
INVDROP tcp -- anywhere anywhere tcp flags:!FIN,SYN,RST,ACK/SYN state NEW

Chain INVDROP (10 references)
target prot opt source destination
DROP all -- anywhere anywhere

Chain LOCALINPUT (1 references)
target prot opt source destination
ACCEPT all -- 115.42.67.221 anywhere

Chain LOCALOUTPUT (1 references)
target prot opt source destination
ACCEPT all -- anywhere 115.42.67.221

Chain LOGDROPIN (1 references)
target prot opt source destination
DROP tcp -- anywhere anywhere tcp dpt:bootps
DROP udp -- anywhere anywhere udp dpt:bootps
DROP tcp -- anywhere anywhere tcp dpt:bootpc
DROP udp -- anywhere anywhere udp dpt:bootpc
DROP tcp -- anywhere anywhere tcp dpt:sunrpc
DROP udp -- anywhere anywhere udp dpt:sunrpc
DROP tcp -- anywhere anywhere tcp dpt:auth
DROP udp -- anywhere anywhere udp dpt:113
DROP tcp -- anywhere anywhere tcp dpts:loc-srv:netbios-ssn
DROP udp -- anywhere anywhere udp dpts:loc-srv:netbios-ssn
DROP tcp -- anywhere anywhere tcp dpt:microsoft-ds
DROP udp -- anywhere anywhere udp dpt:microsoft-ds
DROP tcp -- anywhere anywhere tcp dpt:isakmp
DROP udp -- anywhere anywhere udp dpt:isakmp
DROP tcp -- anywhere anywhere tcp dpt:login
DROP udp -- anywhere anywhere udp dpt:who
DROP tcp -- anywhere anywhere tcp dpt:520
DROP udp -- anywhere anywhere udp dpt:route
LOG tcp -- anywhere anywhere limit: avg 30/min burst 5 LOG level warning prefix `Firewall: *TCP_IN Blocked* '
LOG udp -- anywhere anywhere limit: avg 30/min burst 5 LOG level warning prefix `Firewall: *UDP_IN Blocked* '
LOG icmp -- anywhere anywhere limit: avg 30/min burst 5 LOG level warning prefix `Firewall: *ICMP_IN Blocked* '
DROP all -- anywhere anywhere

Chain LOGDROPOUT (1 references)
target prot opt source destination
LOG tcp -- anywhere anywhere limit: avg 30/min burst 5 LOG level warning prefix `Firewall: *TCP_OUT Blocked* '
LOG udp -- anywhere anywhere limit: avg 30/min burst 5 LOG level warning prefix `Firewall: *UDP_OUT Blocked* '
LOG icmp -- anywhere anywhere limit: avg 30/min burst 5 LOG level warning prefix `Firewall: *ICMP_OUT Blocked* '
DROP all -- anywhere anywhere

Chain fail2ban-dovecot-pop3imap (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere

Chain fail2ban-ssh (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere
Quote:
# ifconfig
eth0 Link encap:Ethernet HWaddr 54:52:00:01:10:36
inet addr:10.1.7.42 Bcast:10.1.7.47 Mask:255.255.255.248
inet6 addr: fe80::5652:ff:fe01:1036/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:323886 errors:0 dropped:0 overruns:0 frame:0
TX packets:197267 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:368317423 (351.2 MiB) TX bytes:66684509 (63.5 MiB)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:55067 errors:0 dropped:0 overruns:0 frame:0
TX packets:55067 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:6150612 (5.8 MiB) TX bytes:6150612 (5.8 MiB)
Require some assistance.

Thanks in advance.

Last edited by onlinewebs; 10th September 2011 at 10:14.
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