Hi,
according to your follow-up (posted privately), you see
550 not permitted
This is most likely that ACL statement:
…
> 11 deny message = not permitted
> 12 !senders = example@??? : mydomain@??? : *@domain.com
> 13 demime = url:lnk:ace:cab:bat:exe:7z:zip:rar:scr:vbs:cmd:com:btm:dll:msi:reg:pif
> 14
….
Except it does not fit to your first statement (can't send to anybody
else than your own domain).
The shown ACL rule denies some MIME types, EXCEPT your sending address
is in the list. Change the block to
> 11 deny message = not permitted (from $sender_address)
> 12 !senders = example@??? : mydomain@??? : *@domain.com
> 13 demime = url:lnk:ace:cab:bat:exe:7z:zip:rar:scr:vbs:cmd:com:btm:dll:msi:reg:pif
> 14
in order to check this.
Best regards from Dresden/Germany
Viele Grüße aus Dresden
Heiko Schlittermann
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