forwarding (SPF error?) and Return-Receipt bounce issue

forwarding (SPF error?) and Return-Receipt bounce issue

Hi, I’m trying to find solution but I must ask you guys for help.

Code:

forwardtest456@wp.pl
    (ultimately generated from forwardtest456@duan.pl)
    SMTP error from remote mail server after MAIL FROM:<forwardtest456@gmail.com> SIZE=3006:
    host mx.wp.pl [212.77.101.4]: 550 SPF Error:
    Received-SPF: neutral (smtp.wp.pl: 188.116.4.48 is neither permitted nor denied by domain of gmail.com) client-ip=188.116.4.48; envelope-from=forwardtest456@gmail.com;


#1 : In this scenario I’m creating a mail from forwardtest456@gmail.com –TO–> forwardtest456@duan.pl [domain set on DA box on its 2nd IP 188.116.52.25] (which also forwards to forwardtest456@wp.pl [external mail] ]) and that forwarding ends with aforementioned bounced error message ( 188.116.4.48 is a main IP of DA box)

from domain dns administration

Code:

duan.pl.        TXT        "v=spf1 a mx ip4:188.116.4.48 ~all"


what is more

#2 users mails with Return-Receipt flag bounces to admin account on the box with [Delayed Bounce]?? Is that because of when /etc/virtual/limit_unknown reaches it’s max?

Any chances to help figure it out that bounce-mess 🙂 ? Big thanks in advance.

using SpamBlockerTechnology* powered exim.conf, Version 4.1
my exim.conf

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