On Tue, Jun 15, 2010 at 11:32:07AM -0700, Andrew G. Grant wrote:
> Thank you Viktor. That does in fact stop the email if there is a mismatch.
> However, now I cannot send anything as it tells me that I don't own the
> email address I am trying to send to.
>
> Can you tell me what it is checking to verify that the User Name
> belongs to the Email address the user is sending from?
>
> My sender restrictions look like this:
> smtpd_sender_restrictions =
> # reject_sender_login_mismatch,
> reject_authenticated_sender_login_mismatch,
> # reject_unauthenticated_sender_login_mismatch,
> permit_sasl_authenticated,
> reject_non_fqdn_sender,
> reject_unknown_sender_domain,
> permit
>
> I am currently getting this error in my SMTP logs:
>
> Jun 15 11:24:32 miniserve-rmd-1 postfix/smtpd[58338]: connect from
> andrew-grant.mydomain.com[10.1.2.166]
> Jun 15 11:24:32 miniserve-rmd-1 postfix/smtpd[58338]: NOQUEUE: reject: RCPT
> from andrew-grant.mydomain.com[10.1.2.166]: 553 5.7.1
> <andrewgr...@mail.mydomain.com>: Sender address rejected: not owned by user
> andrewgrant; from=<andrewgr...@mail.mydomain.com>
> to=<andrewgr...@mail.mydomain.com> proto=ESMTP
> helo=<andrew-grant.mydomain.com>
> Jun 15 11:24:32 miniserve-rmd-1 postfix/smtpd[58338]: disconnect from
> andrew-grant.mydomain.com[10.1.2.166]
>
> Any thoughts as to what I should look at to verify that my User Name really
> does belong to my Email address?
You need correct mappings in smtpd_sender_login_maps, mapping each
sender address to the correct SASL login.
--
Viktor.
