Dear Exim User,
I am having a big of problem with certain task I want to accomplish..
This is the background of what I have and need to accomplish..
I have two Mail servers mx0.whatever.com and mx1.whatever.com.. I have a
queue mail server queue.whatever.com.. My two mail system are sharing
storage via GFS (SAN) so whenever the queue mail queues mail on the storage
the two mail server start sending mail immediately base on the
routing/transport regular expressions..
begin routers
dnslookup:
driver = dnslookup
domains = ! +local_domains
transport = remote_smtp
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
no_more
system_aliases:
driver = redirect
local_part_suffix = +* : -*
local_part_suffix_optional
allow_fail
allow_defer
data =
${lookup{$local_part}lsearch{/etc/aliases}}
group = www
# user = exim
file_transport = address_file
pipe_transport = address_pipe
driver = redirect
check_local_user
local_part_suffix = +* : -*
local_part_suffix_optional
file = $home/.forward
allow_filter
no_verify
no_expn
check_ancestor
file_transport = address_file
pipe_transport = address_pipe
reply_transport = address_reply
driver = accept
check_local_user
# local_part_suffix = +* : -*
# local_part_suffix_optional
transport = local_delivery
cannot_route_message = There is no users living here by that
name, check your naming.
begin transports
local_delivery:
driver = appendfile
file = /var/mail/$local_part
delivery_date_add
envelope_to_add
return_path_add
group = mail
mode = 0660
address_pipe:
driver = pipe
return_output
address_file:
driver = appendfile
delivery_date_add
envelope_to_add
return_path_add
address_reply:
driver = autoreply
Now I need to identify mail and give it priority over one public IP over the
other for reputation purposes.. So we added an identifier to the Header of
the mail being queue base on Criteria (Ex: X-whatever-priority: 0 or
X-whatever-priority: 1)
I need using this criteria on the Header for one of two Mail Servers to send
the message since their IP will have a different priority base on the
criteria.. Like this avoiding both servers Public IP to be rated as bad by
ISP.
I have been reading online
(https://lists.exim.org/lurker/message/20130206.185440.3d550f40.pl.html)
and trying to get this done.. Can you provide me with some examples as of
how would you get this done.. ?
The Idea is when the Mailer system creates a Mail it gives a Header Priority
of 0/1 etc.. then base on that criteria I want from the Mail Server reading
from the queue to send one Mail (0) and ignore another one (1) that have a
different criteria which then the other mail will pick since the criteria
will be set for itself.. Thus sending the mail from a Public IP different
from the other, creating a different IP reputation..
Can it be done?
Thank you for all your help on this , since I have very little experience
with headers manipulation by exim.
Best Regards,
Rafael M. Más
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