Re: [exim] Force IPv4 for host in route_list

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Author: Frank Elsner
Date:  
To: exim-users
CC: Jeremy Harris
Subject: Re: [exim] Force IPv4 for host in route_list
On Wed, 19 Feb 2020 11:20:54 +0000 Jeremy Harris via Exim-users wrote:
> On 19/02/2020 10:59, Frank Elsner via Exim-users wrote:
> > On Wed, 19 Feb 2020 10:41:20 +0000 Jeremy Harris via Exim-users wrote:
> >> On 19/02/2020 09:53, Frank Elsner via Exim-users wrote:
> >>> route_list = * "<, seymour.fritz.box:2825 ipv4_only,\
> >>>                    +,\
> >>>                    smtp.mailbox.org:587,\
> >>>                    mail.zedat.fu-berlin.de:587,\
> >>>                    sfwdallmx.t-online.de:587"

>
> OK, assuming the -bt test show the router you're expecting
> to be used, next step is -d+route -bt.


"exim -d+route -bt echo@???" gives:

manual_smtp router called for echo@???
domain = dfn.de
route_item = * "<, seymour.fritz.box:2825 ipv4_only,+,m28a.ddns.net:587,smtp.mailbox.org:587,mail.zedat.fu-berlin.de:587,sfwdallmx.t-online.de:587"
dfn.de in "*"? yes (matched "*")
original list of hosts = '<, seymour.fritz.box:2825 ipv4_only,+,m28a.ddns.net:587,smtp.mailbox.org:587,mail.zedat.fu-berlin.de:587,sfwdallmx.t-online.de:587' options = ''
expanded list of hosts = '<, seymour.fritz.box:2825 ipv4_only,+,m28a.ddns.net:587,smtp.mailbox.org:587,mail.zedat.fu-berlin.de:587,sfwdallmx.t-online.de:587' options = ''
set transport smtp
finding IP address for seymour.fritz.box:2825 ipv4_only
doing DNS lookup
seymour.fritz.box:2825 ipv4_only in "*"? yes (matched "*")
seymour.fritz.box:2825 ipv4_only in dns_ipv4_lookup? no (end of list)
DNS name syntax check failed: seymour.fritz.box:2825 ipv4_only (AAAA)
DNSSEC support disabled at build-time; dns_is_secure() false
DNSSEC support disabled at build-time; dns_is_secure() false
DNS name syntax check failed: seymour.fritz.box:2825 ipv4_only (A)
DNSSEC support disabled at build-time; dns_is_secure() false
DNSSEC support disabled at build-time; dns_is_secure() false
DNS lookup failed: trying getipnodebyname
seymour.fritz.box:2825 ipv4_only in dns_ipv4_lookup? no (end of list)
gethostbyname2(af=inet6) returned 1 (HOST_NOT_FOUND)
gethostbyname2(af=inet) returned 1 (HOST_NOT_FOUND)
no IP address found for host seymour.fritz.box:2825 ipv4_only


--Frank