Hopefully someone has seen this error before
I’m getting a returned error message from “System Administrator” when I try to email externally through an SMTP service for SOME of the messages – If I send to addresses on my own ISP they get through
The error message is returned as a mail item
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Your message did not reach some or all of the intended recipients.
Subject: as discussed
Sent: 2/07/2003 10:50 a.m.
The following recipient(s) could not be reached:
Users Name on 2/07/2003 10:50 a.m.
553 sorry, that domain isn’t in my list of allowed rcpthosts (#5.7.1)
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This has just started happening on a system that previously worked OK.