Prev: Updates to recurring meeting does not update in user's calenda
Next: 553-mail rejected
From: Rob on 25 Nov 2008 13:38
I have a exchange 2007 implimentation and I am running into a issue where
some destination email addresses are not being accepted and are reporting the
error listed in the topic.



Delivery has failed to these recipients or distribution lists:


The format of the recipient's e-mail address isn't valid. A valid address
looks like this: username(a)contoso.com. Microsoft Exchange will not try to
redeliver this message for you. Please check the e-mail address and try
sending the message again, or provide the following diagnostic text to your
system administrator.

5.1.3: The format of the recipient e-mail address is not valid. Valid SMTP
e-mail addresses can contain only letters, numbers, hyphens, periods, and
only one @ symbol. Troubleshooting: Verify that the SMTP address of the
recipient is formatted correctly and resend the message.


The addresses that I've had issues wtih were formatted in this fashion

first.last(a)some-domain.gc.ca
fist_last(a)some-domain.gc.ca

Both are valid receipients and exchange says that a address cannot contain a
underscore and the other one appears to be blocked because the email address
has a period in it before the @ symbol. I'm sure this is a easy fix but I
have no idea where to define the smtp policy framework.
From: Bharat Suneja [MSFT] on 25 Nov 2008 17:00
- According to RFC 2822, the local-part cannot have a period before the @
symbol unless you're using quoted strings. (RFC 2822).
joe.(a)foo.com = not good
"joe."@foo.com = ok.

- Try adding the above addresses using the e-mail addresses tab in EMC.
Email addresses are validated. When trying to add the former, you'll get an
error saying it's an invalid email address.

- Underscores are OK.

--
Bharat Suneja
Microsoft Corporation
blog: exchangepedia.com/blog

This posting is provided "AS IS" with no warranties, and confers no
rights. Please do not send email directly to this alias. This alias is for
newsgroup purposes only.
----------------------------




"Rob" <Rob(a)discussions.microsoft.com> wrote in message
news:C4420617-05B4-49B4-8BFE-D69F9D72879C(a)microsoft.com...
>I have a exchange 2007 implimentation and I am running into a issue where
> some destination email addresses are not being accepted and are reporting
> the
> error listed in the topic.
>
>
>
> Delivery has failed to these recipients or distribution lists:
>
>
> The format of the recipient's e-mail address isn't valid. A valid address
> looks like this: username(a)contoso.com. Microsoft Exchange will not try to
> redeliver this message for you. Please check the e-mail address and try
> sending the message again, or provide the following diagnostic text to
> your
> system administrator.
>
> 5.1.3: The format of the recipient e-mail address is not valid. Valid SMTP
> e-mail addresses can contain only letters, numbers, hyphens, periods, and
> only one @ symbol. Troubleshooting: Verify that the SMTP address of the
> recipient is formatted correctly and resend the message.
>
>
> The addresses that I've had issues wtih were formatted in this fashion
>
> first.last(a)some-domain.gc.ca
> fist_last(a)some-domain.gc.ca
>
> Both are valid receipients and exchange says that a address cannot contain
> a
> underscore and the other one appears to be blocked because the email
> address
> has a period in it before the @ symbol. I'm sure this is a easy fix but I
> have no idea where to define the smtp policy framework.

From: Andy David {MVP} on 26 Nov 2008 08:06
On Tue, 25 Nov 2008 14:00:41 -0800, "Bharat Suneja [MSFT]"
<bsuneja(a)online.microsoft.com> wrote:

>- According to RFC 2822, the local-part cannot have a period before the @
>symbol unless you're using quoted strings. (RFC 2822).
>joe.(a)foo.com = not good
>"joe."@foo.com = ok.
>
>- Try adding the above addresses using the e-mail addresses tab in EMC.
>Email addresses are validated. When trying to add the former, you'll get an
>error saying it's an invalid email address.
>
>- Underscores are OK.


C'mon Bharat, get with the times! Its RFC 5322 now! :P

From: Rob on 26 Nov 2008 09:28
One of the messages I'm dealing with at the moment is
first_last(a)some-domain.gc.ca; my good friend Exchange tells me this is
invalid. When I use a outside mail system it deliveres correctly to the
receipient. I will test the "first_last"@some-domain.gc.ca and let you know.
It seems odd how Exchange 2007 SP1 has issues with these email addresses mind
you.



"Bharat Suneja [MSFT]" wrote:

> - According to RFC 2822, the local-part cannot have a period before the @
> symbol unless you're using quoted strings. (RFC 2822).
> joe.(a)foo.com = not good
> "joe."@foo.com = ok.
>
> - Try adding the above addresses using the e-mail addresses tab in EMC.
> Email addresses are validated. When trying to add the former, you'll get an
> error saying it's an invalid email address.
>
> - Underscores are OK.
>
> --
> Bharat Suneja
> Microsoft Corporation
> blog: exchangepedia.com/blog
>
> This posting is provided "AS IS" with no warranties, and confers no
> rights. Please do not send email directly to this alias. This alias is for
> newsgroup purposes only.
> ----------------------------
>
>
>
>
> "Rob" <Rob(a)discussions.microsoft.com> wrote in message
> news:C4420617-05B4-49B4-8BFE-D69F9D72879C(a)microsoft.com...
> >I have a exchange 2007 implimentation and I am running into a issue where
> > some destination email addresses are not being accepted and are reporting
> > the
> > error listed in the topic.
> >
> >
> >
> > Delivery has failed to these recipients or distribution lists:
> >
> >
> > The format of the recipient's e-mail address isn't valid. A valid address
> > looks like this: username(a)contoso.com. Microsoft Exchange will not try to
> > redeliver this message for you. Please check the e-mail address and try
> > sending the message again, or provide the following diagnostic text to
> > your
> > system administrator.
> >
> > 5.1.3: The format of the recipient e-mail address is not valid. Valid SMTP
> > e-mail addresses can contain only letters, numbers, hyphens, periods, and
> > only one @ symbol. Troubleshooting: Verify that the SMTP address of the
> > recipient is formatted correctly and resend the message.
> >
> >
> > The addresses that I've had issues wtih were formatted in this fashion
> >
> > first.last(a)some-domain.gc.ca
> > fist_last(a)some-domain.gc.ca
> >
> > Both are valid receipients and exchange says that a address cannot contain
> > a
> > underscore and the other one appears to be blocked because the email
> > address
> > has a period in it before the @ symbol. I'm sure this is a easy fix but I
> > have no idea where to define the smtp policy framework.
>
>
From: Rich Matheisen [MVP] on 26 Nov 2008 19:20
On Wed, 26 Nov 2008 06:28:10 -0800, Rob
<Rob(a)discussions.microsoft.com> wrote:

>One of the messages I'm dealing with at the moment is
>first_last(a)some-domain.gc.ca; my good friend Exchange tells me this is
>invalid.

I don't think it's Exchange that's complaining. There's nothing wrong
with an underscore in the <user> part of the address. I've seen
3rd-party software that doesn't like it, and I've seen other mail
systems configured in ways that refuse to accept "legal" addresses. I
think you should check to see what's running on your server (or what's
sitting between your server an the sender that's acting as a SMTP
proxy or "email firewall").

>When I use a outside mail system it deliveres correctly to the
>receipient. I will test the "first_last"@some-domain.gc.ca and let you know.
>It seems odd how Exchange 2007 SP1 has issues with these email addresses mind
>you.

It won't seem odd after you find the real culprit. :-)
---
Rich Matheisen
MCSE+I, Exchange MVP
 |  Next  |  Last
Pages: 1 2
Prev: Updates to recurring meeting does not update in user's calenda
Next: 553-mail rejected