Outgoing Mail Problem

d4nmf

Hi,

We are having some trouble sending outgoing emails. The setup that is used at our customer is:
Clients use Outlook Express to download mail from the 'server' (PC Acting as a server)
The 'server' has a pop3 retrival program on which downloads from the pop3 host
The 'server' also has mailenable on which distributes the mail to the relevant client.

Now, they can receive, but they cannot send out. As soon as they send this is the bounceback:

MailEnable: Message could not be delivered to some recipients.

The following recipient(s) could not be reached:

Recipient: [SMTP:Emma@benefit2business.com]

Reason: Remote SMTP Server Returned: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)

Message headers follow:

Received: from Paul ([192.168.1.16]) by printscope.com with MailEnable ESMTP; Fri, 30 May 2008 16:12:30 +0100
Message-ID: <01b601c8c267$93075350$1001a8c0@Paul>
From: "Printscope Ltd" <sales@printscope.com>
To: "Emma Coates" <Emma@benefit2business.com>
Subject: Re: test
Date: Fri, 30 May 2008 16:12:16 +0100
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_01B3_01C8C26F.ED7C16B0"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.3138
Disposition-Notification-To: "Printscope Ltd" <sales@printscope.com>
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198

I have tried the following:

Set OE to authenticate when they send out
Checked all usernames and passwords are correct
Put their external IP into two black list websites. I have found it listed on one (www.ordbl.com i think) but their website dosnt load

Help!?

drainey

Is all outgoing email not working or just emails to this domain (@benfit2business.com)?

That bounceback message usually indicates a problem with the receiving side not yours.

Are your users trying to reply to an email from this site or send a new email to this address? Does anyone there have an internet email account such as Hotmail, Gmail, Yahoo, etc. If so have them try sending emails to that address from there. If it goes through then you need to check your side, if not then most likely it's not anything on your side.

Send a test email from your work account to an internet email account, does it go through? If so try other address that are know to be working. If they go through then the problem is not on your side

If not emails are going out at all, double check the SMTP settings on your pc (server) as well as each client pc. Check with the ISP who hosts the POP3 and see if they made any changes on their end that could be affecting you.

Good luck.