Hi i have mail server sme 7.5 i can send and receive emails without any problem
I make another computer as mail server but install in it sme 8.0
with same settings
my domain altawi.com.sa
i Replace mail server sme 7.5 with sme 8.0
when i send email to my network internally it reach without any problem
but when i send to outside emails as (gmail,yahoo,Hotmail) or any email outside domain
I receive message as following in outlook 2007
----------
undeliverable send from altawi
system administrator
to
your message did not reach some or all of intend recipients
subject send from altawi
the following recipients cannot be reach
550 relying denied ahmedsa88888@gmail.com
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this message show when i replace computer installed with sme 7.5 mail server with
another computer sme mail server 8.0
and two computers with same settings and same internal ip 192.168.1.4
what different between two cases or two mail servers
and what i do to avoid this message from display again