I'm currently trying to load balance balance Mailout from postfix MTA.
It work nice, but I have some "question" (maybe feature).
I want to add a "custom header" (this one is just after a test) but
rspadd seem to work only on http.
rspadd X-HAProxyRocks:\ Yes\0
Our mail sender is a php script. I tryed to use (maybe it's a script
problem) HAProxy directly from the PHPScripts (using fgets for sending
emails) but it doesn't work (script not seem to like "haproxy as a SMTP").
Now my "solution" is to set :
php script => Postfix localhost:25 => Haproxy localhost:10025 => a lot
of postfix.
Maybe I've done some bad stuff somewhere.
I just upgraded (not tested yet) to 1.3.22 because I see a changelog
with "fgets" ("haproxy fgets" on google).
I think my php script wait for a "normal" smtp response, but HAproxy is
waiting to have the response from postfix "backend" server.
My configuration file is "quite normal":
===
frontend LB
mode tcp
bind 127.0.0.1:10025
default_backend PostFix
backend PostFix
mode tcp
contimeout 3000
srvtimeout 3000
option redispatch
retries 5
balance roundrobin
option smtpchk EHLO hi
rspadd X-HAProxyRocks:\ Yes\0
server ara01 87.98.142.XX:25 weight 30
check inter 200000
server ara02 94.23.155.XX:25 weight 30
check inter 200000
server ara03 91.121.218.XX:25 weight 30
check inter 200000
===
For now it work "nice" with a Postfix frontend with haproxy as relay
host. Maybe I can "simple" it.
Sorry for my "crappy" english, teachers fault ;)
Kind regards, a HAProxy lover.
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