1
vote
1answer
32 views

What are some useful email reports to monitor in an SMTP/email environment?

It's possible to generate dozens of email reports in a given SMTP environment, and I'm interested in learning what reports are common in large installations and how they are used. Examples: ...
1
vote
0answers
18 views

Exchange 2010 – Multiple Smart Hosts

A client has Exchange 2010 which, up to now, had a single internet connection. They were sending email via a smart host run by their ISP. It was working OK. We have put in a second internet ...
0
votes
1answer
28 views

Exchange 2007 issue internet receive connector

I have issue with yahoo.co.uk if I send a mail from within the yahoo webconsole the mail arrives in my inbox on the exchange server If I send mail from Iphone configure to send via mail box ...
0
votes
0answers
79 views

Virtual SMTP to send email through Exchange Server (via EWS)

We have a web application hosted by a third party that must send e-mail using an existing MS Exchange Server 2007 account in our premises. This application only connects to SMTP Servers. Our ...
2
votes
1answer
100 views

What does an empty AUTH EHLO SMTP response mean with MS Exchange?

I'm a programmer, not a sys-admin, but my customer's sys-admins are not being helpful and after much googling I still can't find the answer to this. My Java application gets the following response ...
0
votes
1answer
118 views

smtp relay attack on our mail server (not an open relay server)

Help, We put our Exchange Server (10.0.0.125) behind a SMTP Proxy server (Xeams if you have heard of it), however recently our client complaints we replies their email too late - and we found ...
6
votes
2answers
358 views

Why is email being delivered normally despite an SPF “hardfail”?

I'm trying to figure out why forged email is being delivered to major email providers (gmail.com, outlook.com) even though email is marked with an SPF hardfail. The email is also delivered to ...
0
votes
0answers
2k views

550 5.7.1 Message Rejected due to content restrictions

I have a server that for some reason, out of the blue is now having a huge amount of its email being rejected, coming back with 550 5.7.1 NDR's or various derivatives thereof. This just started ...
1
vote
0answers
73 views

Outlook on Exchange: Why does it mangle return address for some email?

We have seen this too much in multiple Exchange environments, and need some guidance. When we email (using simple mail client app) to certain Exchange/Outlook sites, when those sites hit Reply, our ...
0
votes
0answers
86 views

Incoming mail flagged as spam

A customer of my company can no longer contact us via mail. Our mailserver keeps bouncing their email as spam. I've already contacted them but they say the problem lies with our server, not with ...
1
vote
1answer
38 views

Exchange 2007 send as different user by default

Allow me to explain in detail. I have a client who runs 3 companies under the same roof. Each user has 3 exchange mailbox accounts (for each company domain) which they load under either Outlook 2007 ...
0
votes
2answers
231 views

Exchange 2010 - External emails not being sent, probably an SMTP/DNS issue but need advice

I've installed and configured Exchange 2010 on Server 2012 functionally enough that I can send email between boxes on the local server. For what it's worth, I'm doing this as a test-run in a virtual ...
4
votes
2answers
348 views

How to remove the SMTP address for a secondary domain from all Exchange mailboxes?

I have an Exchange server which used to manage multiple SMTP domains; now it only has to manage one. I have already removed the secondary domain from all address policies; I need to remove all SMTP ...
0
votes
1answer
143 views

SMTP routing with EDGE servers for Exchange 2010

I am trying to set up some EDGE servers for Exchange 2010 (SP3 UR2) but they are being a real pain. I have the following servers in my environment: CASHT1 – CAS array member – FQDN is ...
6
votes
2answers
379 views

Display a TLS icon for messages that are TLS secured (Outlook)

One of my colleagues at a large financial institution has customised Lotus Notes to show a TLS icon for messages that are TLS secured. I'm interested in imitating this feature in Outlook, and believe ...
0
votes
0answers
22 views

Cannot write mail to Pickup directory on separate server

I'm trying to set up my .NET application to write SMTP messages to a pickup directory where they can be picked up by Exchange, rather than sending them directly to the Exchange SMTP server. However, ...
1
vote
1answer
242 views

Sending email with Python/Django through Microsoft Exchange (IMAP)

I have a Django web application which sends email through a standard SMTP, but I want it to use a mailbox from the corporate Exchange server. I would like the emails sent from the application to be ...
0
votes
1answer
297 views

Exchange 2010 delivery to postmaster 550 5.1.1 User unknown

Exchange 2010 has a distribution group setup called postmaster and the Email addresses associated with it are postmaster@example.com, postmaster@example.net etc Internal emails sent to postmaster ...
0
votes
1answer
61 views

Spamming from Exchange 2003

I am apparently spamming the world (about 1000 a day) but cannot figure out how. Mxtoolbox does not list me as an open relay and I have disabled all relays that I can find. I have run every virus ...
0
votes
1answer
461 views

How to share a SMTP domain between MDaemon and Exchange?

I need to setup coexistence between MDaemon (13.0.5) and a Microsoft Exchange system (Office 365); the two systems should share the same SMTP domain, and each one should forward to the other any ...
1
vote
1answer
68 views

How can I relay mail to multiple SMTP servers?

We want to use Google Apps for Domains as our email service but the "corporate" office want's the emails in Exchange. I would like to set up a relay (is that the proper term) to send any incoming ...
2
votes
1answer
362 views

Exchange Server 2010 Relaying Spam

Recently I began receiving AOL spam feedback reports from our exchange server. As I investigated I found that hundreds of spam messages were being relayed through our exchange server. Although I am ...
1
vote
0answers
89 views

4.4.1 Timeout in 10 minute intervals SMTP on batch email jobs

I am running a job that uses SMTP and it can run in excess of an hour, emailing the entire time. It's not my code but a workflow based app so I just get a form to configure the mail server, subj, msg, ...
0
votes
2answers
569 views

Gmail is blocking our email, and the IP address listed in the returned email is not our main mail address

Our mx records point to a different IP address than our main public address. However the mail being sent, SMTP is pointing to our main public IP address. The email using the address that SMTP is using ...
0
votes
1answer
73 views

Exchange 2003 smtp collector delivery restriction

In a Exchange 2003 the SMTP collector has the 'Delivery Restriction' configurated to deny for all except for who is in a security group mail-enabled (called 'InternetMail'). There are user ...
0
votes
1answer
34 views

How can I view transfer log information for Exchange 2010?

We're running an Exchange 2010 server in an Active Directory environment. It has no problem sending emails to 99% of recipients. However there are some who get a bounce and error: #550 4.4.7 ...
0
votes
0answers
784 views

451 Timeout trying to verify RCPT errors from some external contacts

Outside contacts at two companies report messages they sent to us return with the following message: 451 Timeout trying to verify RCPT validemail@ourdomain.com for domain One of the companies ...
-1
votes
3answers
494 views

Send Connector on Port 465

I recently confront a problem that i think it will become a major situation on the near future. My ISP blocked the port 25 against spamming. Now I'm forced to fix this situation on another port, so I ...
2
votes
1answer
526 views

Exchange 2010 - can't send to a specific domain - 421 connection dropped due to socket error

I've looked at a few of the existing SF questions/answers and so far can't find the same situation. It's not a TLS issue like I first thought, since the remote server isn't asking for TLS, and it ...
2
votes
2answers
259 views

Sent items via Exchange SMTP stored in the users mailbox

Using Exchange 2010 server, is there a way to store outgoing emails in the mailbox's sent items folder when an SMTP authenticated user is sending an email via the exchange server's SMTP server? (I.e ...
1
vote
1answer
168 views

Exchange (therefore Outlook too) don't recognize senders on messages originated over SMTP

I have an application that needs to send (internal) e-mails, so naturally it uses SMTP. Our e-mail server is Microsoft Exchange. When I look at the e-mails in Outlook, something isn't right with the ...
1
vote
1answer
66 views

Email sent via SMTP server - working except to our Exchange account?

We currently have a server set up as an email sending box. It has a Windows Service setup to periodically send emails through an SMTP server which is configured on the same box. The service and SMTP ...
1
vote
0answers
329 views

What are the values of Exchange's XSHADOW and XQDISCARD commands?

Shadow redundancy is an Exchange-specific feature (beginning with Exchange 2010) that provides a measure of fault tolerance when relaying email messages with SMTP. The sending Exchange server sends ...
0
votes
1answer
200 views

setting up Thunderbird and Exchange 2007 server

I want to use Thunderbird with Exchange 2007. Before I used Outlook and everything worked fine. Now I set up the following settings in Thunderbird: Inbox IMAP Server Address: 192.168.0.1 Port: 143 ...
1
vote
1answer
67 views

Exchange 2003 - is mixed authentication possible (user/pwd & whitelist IP)?

I am working with a client who has user/password authentication in place for their Exchange 2003 server. However, the application I am assisting them with will be running on a server inside their ...
1
vote
1answer
962 views

What protocol does Exchange use to relay email to other Exchange servers?

Suppose an organization has multiple Exchange servers. These Exchange servers can use SMTP to relay email to each other. In this case, they would probably use some Exchange-proprietary extensions, ...
13
votes
3answers
1k views

Schedule/queue large e-mails in Exchange 2010, defer until latency drops

My challenge We have Exchange servers at various sites, but also aboard ships. The ships are connected to our network through satellite links when at sea, but switch to WiFi bridges when in port. ...
1
vote
1answer
121 views

Is it common for e-mails to get rebuilt during transmit?

I'm having a problem where some user's of my web site complains they're receiving empty e-mail messages. After comparing the content and e-mail header of their e-mails with the ones I get I'm leaning ...
0
votes
1answer
317 views

Exchange 2007 not accepting email from SMTP relay for users with “require all senders are authenticated” checked

I am trying to send emails from Sharepoint via SMTP server to Exhange 2007 users. Thing is, some of these users are not allowed to recieve external emails and have the "Require that all senders are ...
1
vote
1answer
413 views

Dump Primary SMTP addresses from AD in cluding groups and mail enabled public folders

I need to dump only the primary SMTP addresses to a .csv file. I need to do this for all Users, Groups and Mail Enabled PFs. Environment is Exchange 2007/2010. I have been trying to work with the ...
1
vote
1answer
451 views

Two Exchange 2003 servers, Internet SMTP Connector using port 587 on smarthost: no longer internal connectivity between the Exchange servers

To summarize: I set things up (this is a virtual test/tutoring environment), broke internal connectivity by introducing Internet mail connectivity, figured out where the problem was, but now I'm ...
0
votes
1answer
293 views

Exchange- Outbound emails not working

My old mans 2003 SBS Server is doing weird things.. specifically with Exchange. Inbound emails are trickling through slowly, but outbound emails have stopped working. Is there a way to track outbound ...
1
vote
1answer
480 views

Emails sent from Coldfusion using the same SMTP/Exchange server works from one machine but fails for another

First, apologies if this question is too vague or has too little information to really be answerable. I am not normally working with these issues, and I don't have full access to the environment. ...
1
vote
1answer
598 views

SMTP Relay via MS Exchange

I am trying to pragmatically send e-mail to external user with Exchange. Now I know if Relay is not Enabled in Exchange Server then e-mail relay will not work. Now, if I send e-mail from my Outlook ...
1
vote
1answer
490 views

Thunderbird 15.0.1 cannot use Exchange 2003 SMTP

I'm having the strangest time getting a Thunderbird email client to connect to my Exchange 2003 server. I got the incoming IMAP account set up no problem, and I can receive mail. However sending mail ...
2
votes
1answer
1k views

How the Postmaster@domain address works

I'm very new to Exchange (in fact, an apprentice and studying it at the moment) and am wondering how the Postmaster@domain.com address works. An example: A smarthost configured with one mailbox, ...
1
vote
1answer
400 views

convert messages in transit from UUEncode to MIME

I have a third-party app that generates emails in UUEncode format with PDF attachments. The PDF attachments are unreadable because iPhones don't understand UUEencode apparently. I don't see any ...
1
vote
1answer
122 views

Is there a way to have Microsoft Exchange server override the from field in outgoing mail?

I need to know if it's possible on an exchange server to filter outgoing mail and override the from address in certain cases. We have to set up many Exchange users who will only be able to access ...
0
votes
0answers
566 views

Message to distribution list with removed recipient bouncing back when sent from external mail server

I removed a particular user from all distribution groups manually about five days ago. This user was a member of two particular groups that have other recipients. The OAB polling interval is 30 ...
0
votes
3answers
5k views

Exchange 2010 550 5.7.1 unable to relay

I have a website application that needs to send email via our Exchange servers. It sends email internally fine, but when sending to an external address I get the 550 5.7.1 unable to relay error. I ...