Hi,
relay=mail.aylendepartamentos.com.ar[200.58.120.110]:25, delay=1.8,
delays=1.6/0/0.17/0, dsn=4.0.0, status=SOFTBOUNCE (host
mail.aylendepartamentos.com.ar[200.58.120.110] said: 550 Blocked by SPF
It's not your postfix complaining.
Your postfix tries to deliver to 200.58.120.110 and this box answers,
that it is unwillingto accept the e-mail because of its SPF setup.
As you're sending from @amazonses.com, I looked up the spf records:
claus@tiger:~$ dig amazonses.com txt
; <<>> DiG 9.11.5-P4-5.1-Debian <<>> amazonses.com txt
[...]
amazonses.com. 900 IN TXT "v=spf1 ip4:199.255.192.0/22
ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20
ip4:76.223.176.0/24 ip4:76.223.180.0/23 ip4:76.223.188.0/24
ip4:76.223.189.0/24 ip4:76.223.190.0/24 -all"
[...]
Is your postfix running with any of these ips?
Groetjes
Claus
--
Claus R. Wickinghoff, Dipl.-Ing.
using Linux since 1994 and still happy... :-)