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Exchange server / outlook - Bounce back when email a specific email

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6 replies

by laquangthong 1 view

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We are a small business with one exchange server, one firewall + about 25 users.

Lately, 3 users are having problem sending email to an email address (of another company). Emails sending to other people at that same company go through fine. Also, some other users can send email to that email address with no problem. Any suggestion is appreciated.

Here's the error message:

Your message did not reach some or all of the intended recipients.

Subject: xxxxxxxx
Sent: 7/27/2007 2:17 PM

The following recipient(s) could not be reached:

xxxx@xxx.com on 7/27/2007 2:17 PM
Your mail system could not find a way to successfully communicate with the destination system. Please notify your administrator.

Thank you so much for your help.

6 replies

by ron.brown

Would it be possible for you to have xxx@xxx.xom email you one of the users who can't email him? If xxx@xxx.com can get mail through then the problem is on your users machine. Are they sending attachments with long file names? We used to get a similar error on our old Exchange setup with when addresses or attachment file names were really long.

by laquangthong

Hello Ron,

The email is a short email with no attachment, 20 KB in size.

The user of the xxx@xxx.com email can email to my users without any problem. The weird thing is that sometime my user can email him, and sometime not. I have tried on my system (which I assume to be in good shape :D), and run into that problem as well. I was able to send test email to xxx@xxx.com fine for about 2 days, then now the email is bounced back with the same message as users. Since the problem is now happening on 3 machines (and 3 user email accounts, including me). I think it's safe to rule out the local system issue.

What do you think?

Appreciate,

by hmasj

good day;

I have a problem with the email server... if the employees send email between them, the email bounces back.. but if i send it from the outside, it work just fine.

we are using allies with the email ..

could you please help??

thanks

by jgirizarry

Maybe is not your local office or your server. I think they might be blocking or blacklisting your emails. It could be that the other company's user computer is either putting your 3 email users into the blacklist or the computer is filtering those 3 emails into a junk folder.

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