10 Mar 2011 16:58
exim with 6to4 tunnel
Holger Jeromin <mailgmane <at> katur.de>
2011-03-10 15:58:46 GMT
2011-03-10 15:58:46 GMT
Hi,
i have an static ipv4 and configured a 6to4 tunnel.
exim4 uses this connection to deliver an mail to an freenet user.
But my 6to4 adress has no reverse DNS record, so their spamfilter
rejects this connection:
SMTP error from remote mail server after RCPT TO:<xxx <at> freenet.de>:
host mx.freenet.de [2001:748:100:40::8:110]: 550 inconsistent or no
DNS PTR record for 2002:my:6to4::1 (see RFC 1912 2.1)
Non-authoritative answer:
freenet.de mail exchanger = 1 mx.freenet.de.
Authoritative answers can be found from:
mx.freenet.de internet address = 195.4.92.9
mx.freenet.de internet address = 195.4.92.211
mx.freenet.de internet address = 195.4.92.212
mx.freenet.de has AAAA address 2001:748:100:40::8:110
mx.freenet.de has AAAA address 2001:748:100:40::8:111
mx.freenet.de has AAAA address 2001:748:100:40::8:112
dns.roka.net internet address = 194.97.3.1
ns2.roka.net internet address = 194.97.109.1
ns2.roka.net has AAAA address 2001:748:100:70::2
ns2.free-net.net internet address = 62.104.64.9
I just disabled ipv6 for exim:
disable_ipv6 = true
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