Re: [msmtp-users] SMTP 550 5.7.1 error with MS Exchange Server

[Matus UHLAR - fantomas <uhlar@...186...>]

On 10.08.14 20:25, Will Monroe wrote:
> # work email
> account    Work
> host       EMAIL.WORK.COM
> auth	   ntlm
> domain	   WORK.COM
> ntlmdomain WORKDOMAIN
> port       587
> from       FIRSTNAME.LASTNAME@...369...
> user       USERNAME

> <-- 550 5.7.1 Client does not have permissions to send as this sender
> msmtp: the server did not accept the mail
> msmtp: server message: 550 5.7.1 Client does not have permissions to send as this sender
> msmtp: could not send mail (account default from /home/will/.msmtprc)
> will@...370...:~$

> I've looked up the error codes here and found the following:
>
> 550 "Requested action not taken: mailbox unavailable"
> http://www.greenend.org.uk/rjk/tech/smtpreplies.html
>
> 5.7.1 "The sender is not authorized to send to the destination. This can be
> the result of per-host or per-recipient filtering.  This memo does not
> discuss the merits of any such filtering, but provides a mechanism to
> report such.  This is useful only as a permanent error."
> http://www.iana.org/assignments/smtp-enhanced-status-codes/smtp-enhanced-status-codes.xhtml

don't care about 550 and 5.7.1. 
Read the message:

Client does not have permissions to send as this sender


exchange refused either your From: or your "mail from:".
Are you connecting as the proper user?

Btw, why NTLM? Does not your exchange support better authentication methods?
(plain, login, with SSL they should be safe)

--
Matus UHLAR - fantomas, uhlar@...186... ; http://www.fantomas.sk/
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