Simple Mail Transfer Protocol (SMTP) relaying (transferring between computers).
0
votes
1answer
19 views
How can I configure Postfix to ignore relayhost when forwarding mail?
How can I configure Postfix to ignore relayhost when forwarding mail?
I currently use the relayhost to send all outgoing email via an external SMTP service :
# /etc/postfix/main.cf
relayhost = ...
0
votes
1answer
38 views
How to forward to dynamically determined addresses with Postfix?
Each message to a local user must go to an address that is obtained by running an external command. That command will look at the local address tag, make API calls to several processes, and then ...
0
votes
2answers
49 views
Email not being relayed from EC2 Amazon Linux Instance
I'm trying to send email from my EC2 instance.
Regardless of the target email address the SMTP service logs show that the email is sent but it never turns up on the remote server.
I've done a ...
0
votes
0answers
35 views
multiple login credentials for same relayhost
i struggle with my postfix config. i want to use the same relayhost for my two domains, but i have different credentials on the relayhost.
is there a way to tell postfix to use two different login ...
1
vote
2answers
57 views
POSTFIX main.cf permission denied
I am trying to set up a postfix server for smtp relay. Centos 5.5
I have followed http://mhawthorne.net/posts/postfix-configuring-gmail-as-relay.html but am getting a FAILED error when trying to ...
1
vote
1answer
36 views
SMTP Event Sinks in Windows 2008 R2
We use a 3rd party software to send Bulk Emails. The software does not provide options to add Email addresses in BCC. However, as per Compliance Rules, it is necessary for us to add a BCC address to ...
-1
votes
1answer
76 views
SMTP , they are hacking my server spammed? [closed]
2013-04-15 18:12:55 217.119.50.209 OutboundConnectionResponse SMTPSVC1 ADSERVER - 25 - - 250-blue-ld-242.synserver.de 0 0 28 0 359 SMTP - - - -
2013-04-15 18:12:55 217.119.50.209 ...
0
votes
1answer
24 views
Internal SMTP server + Hosted E-mail possibiilty
We currently use a 3rd party hosted e-mail system using SMTP and IMAP. I was curious is there a way to setup an internal SMTP gateway or server that the internal client can connect through to ...
0
votes
2answers
51 views
SMTP server to smtp server forwarding?
we have one smtp server and we want incoming mail should store by smtp and forward two other smtp server is their any solution
we dont want email forwarding
Ex mail@mail.com to amail@mail.com
...
3
votes
1answer
98 views
What PID is making outbound connections on port 25?
What is the most ready way to log the PID and process name of anything making an outbound connection on port 25? This is on a 2008 x32 server without the windows firewall enabled.
I'm ...
0
votes
1answer
56 views
SMTP / HELO and RBL black listing
We've been having many issues with our external IP address being put on RBL's and blacklisted.
We are using a 3rd party, hosted SMTP e-mail and we have two locations using it. Our TLD is ABC.com. ...
0
votes
1answer
101 views
postfix relayhost 'Recipient is not recognized. Relay access denied'
im trying to get webmin postfix to send emails through my smtp account with another email provider (in this case lavabit.com)
im getting the error
'Recipient is not recognized. Relay access ...
0
votes
1answer
42 views
Postfix - sender dependent configuration based on client IP instead of email address
Using Postfix, I want to setup the transport according to the sender IP.
There is sender_dependent_default_transport_maps, which does it according to the sender email address (envelope MAIL FROM).
...
1
vote
0answers
39 views
Postfix sometimes ignore sasl_passwd
I have a server (server1) configured to use a relayhost (server2), with a specific username and password. server2 is another of my servers.
server1 configuration:
/etc/postfix/main.cf: relayhost = ...
0
votes
0answers
61 views
Best Practices for SMTP Relay with IIS? [closed]
Right now I have a few .NET web applications that utilize Sendgrid for SMTP email relay. I'm looking at building out some redundancy in my systems and was thinking about implementing this:
IIS App ...
0
votes
0answers
95 views
IIS SMTP relay with O365 — messages stuck in queue
I am unable to relay email from non-authenticated users. We use Office 365 for our email server. We want to allow non-authenticated users (scanners, fax machines) to send email through relay. Outlook ...
0
votes
1answer
121 views
exim is not accepting external connections
Update: It's definitely my ISP blocking port 25. I told Exim to listen on a non-standard port, and then checked from a remote computer to that port, and it went through just fine.
So, I guess I have ...
0
votes
1answer
97 views
Google Apps + Mailgun Split Delivery
We currently use Google Apps for receiving emails on our domain. We would like to send all mail to unknown addresses to our Mailgun server for further processing. This seems like a typical "split ...
1
vote
1answer
60 views
IIS SMTP server sending emails multiple times
I am having a problem with the SMTP server on a Windows server 2008 box. Every Thursday morning, the server decides to send the same 2000+ emails to the same person. There is nothing in the code ...
0
votes
1answer
135 views
Postfix: Relay access denied through SASL with permit_sasl_authenticated setted
Postfix 2.7 / Ubuntu 10.04 LTS
when i try to send a mail from Outlook (with smtp auth) to a gmail account (or others), i get relay access denied.
The log (i've faked the emails):
Feb 24 16:49:16 ...
1
vote
1answer
45 views
Postfix changes to main.cf are not loaded
Ubuntu 10.04 LTS
root@vm1613:/etc/postfix# vim /etc/postfix/main.cf
[...]
# default restrictions
smtpd_sender_restrictions = check_sender_access hash:/var/spool/postfix/plesk/blacklists, ...
0
votes
1answer
126 views
Telnet to SMTP gets no 220 response unless user is specified
My server is setup to generate outgoing email only (no receiving), and is timing out when attempting to contact smtp.foo.com
Essentially the email is generated by a process on myserver.foo.com, sent ...
-2
votes
1answer
501 views
How to configure a mail server on Debian Squeeze?
How can I configure a mail server on Debian Squeeze with Postfix or Exim4 without the need to relay on another smtp server?
And is it possible to add multiple email addresses for the same user? ...
0
votes
0answers
30 views
Postfix as local relay using virtualhosts
I've for years been running a powerhogging server(win-Firstclass)~200 emailadresses 5 nonprofit domains.
I'm considering phasing it out, but I want to do, affecting the users at the minimum, and over ...
0
votes
1answer
74 views
Possible spam emails from our server but not from our domains
I encountered something weird with my mail server. For about 3 days now I am noticing that my mail server sending emails that aren't included in my domains. There are from different IPs different mail ...
1
vote
0answers
59 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 ...
-3
votes
1answer
37 views
outbound smtp mail server, port 25
Folks,
In the past, I remember having to open port 25 for email servers to check back and verify that in fact, an email was sent from an email server.
Does this still pertain these days? If you ...
3
votes
2answers
153 views
Security Risk involved in disabling SMTP authentication on POP3 Server?
I provide IT Services to a client who, for the longest time in the world, has been using a POP3 server from Network Solutions to handle their email.
At this time, I'm introducing the McAfee SaaS ...
0
votes
2answers
1k views
Exchange Connector Won't Send to External Domains
I'm a developer trying to get my .Net application to send emails out through our Exchange server. I'm not an Exchange expert so I'll qualify that up front!!
We've set up a receive Connector in ...
0
votes
0answers
176 views
SMTP relay to Exchange Online - won't work without remote domain smarthosts?
We've got an on-premise SharePoint farm that sends and receives email via an SMTP instance on one of the servers which relays to our on-premise Exchange.
We're in the middle of a migration to ...
0
votes
1answer
360 views
554 Relay access denied
I set up a mailserver yesterday according to this tutorial: http://wiki.hetzner.de/index.php/DebianMailserver3 (tutorial is in german).
Sending emails is working fine, recieving emails from other ...
0
votes
1answer
105 views
How to have Postfix send email to another server if user lookup fails for specific domains
Currently my server acts as a gateway, checks AD for valid email addresses, if the email address exists in exchange it sends over the email, otherwise just rejects (typical)
I need Postfix to send ...
0
votes
1answer
60 views
Postfix Transport Not Getting Triggered
I have ServerA and ServerB - I'm moving accounts from A to B but I want ServerA to relay any mail it receives to ServerB to make sure no mail gets lost after I have copied mailboxes over while DNS ...
0
votes
1answer
107 views
postfix 550 relay not permitted for virtual mailbox domain
When somebody sends mail to myvirtualdomain.com I get the message
Remote host said: 550 relay not permitted! [RCPT_TO]
What is wrong with my settings?
I do not think the problem is in the mysql ...
0
votes
3answers
1k views
How to configure sendmail to relay emails through Office 365 (SMTP) with TLS
I have a box running RHEL 6.3 and there's and application that needs to send out reports by mail, in order for this functionality to work I have to have mail configured in my box. In addition I ...
1
vote
2answers
82 views
Postifx: how can someone send e-mail without authorization with this configuration?
Yesterday I found that 10 thousand e-mail messages were sent through my system using this configuration:
http://pastebin.com/bThpH1s8 - main.cf
http://pastebin.com/kkxxsstP - master.cf
I temporarily ...
0
votes
0answers
90 views
IIS 7.5 relay issues
I have a server farm built using application request routing (ARR) . The farm currently consists of 2 content servers running IIS 7.5 and serving web traffic routed by the ARR (reverse proxy) server.
...
1
vote
5answers
177 views
Best Practices for Open Relay Email Server
I have a scenario where I need to setup postfix with no TLS, no SMTP authentication, and open relay allowing from only one remote IP address.
Emails from this remote IP may have spoofed "from" address ...
2
votes
1answer
278 views
Postfix stop outgoing delivery but accept all incoming
I'm doing development for a webapp that sends emails out to users. I've typically used Argosoft Mail Server (Freeware) in a windows environment as an SMTP server in which I've enabled relay but ...
1
vote
0answers
94 views
Postfix: Modify sender address based on recipient
We have a Postfix server that receives mail from our application servers. Senders are in the form user@host.fqdn (where host.fqdn can vary, depending on source server) and recipients can be internal ...
1
vote
1answer
92 views
Exchange 2007 Server - Sender unable to send one recipient in the domain
I have a mail server that serves multiple domains. I have 2 users that use a specific domain. User A does not experience any issues when sending and receiving mail. User B can send emails fine and ...
0
votes
1answer
421 views
POSTFIX bouncing when destination is my domain
I am using provider mail hosting to send emails. On my Webserver I also have Postfix running and configured. Here is my main.cf
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no
...
0
votes
1answer
85 views
RAID Card Event Notifications Email to Gmail
I need to get email for event notifications from our RocketRaid 2782.
The problem is I don't see a way to get it to send mail to our google apps gmail account. I don't think the card offers ...
1
vote
1answer
142 views
Postfix mail gateway/relay for limited domains
I have a number of servers at a hosting space. What is the best way or is it possible to run a relay on one of the system to
send all emails to alerts@myowndomain.com to our email hosting service ?
...
1
vote
0answers
466 views
530 5.7.1 Client was not authenticated Exchange 2010 for some computers within mask
We have a classic problem with Client not Authenticated but with a specific twist:
We have an Exchange 2010 cluster, let's say EX01 and EX02, the connection
is always to smtp.acme.com, then it is ...
2
votes
1answer
83 views
Postfix as a relay for specific networks only
I have a strange issue with postfix that is driving me a little up the wall as it seems to work 50% of the time but with no changes made.
What I want to achieve:
I have a number of virtual servers ...
0
votes
1answer
123 views
Postfix: Ignore relay host when from specific address
I configured my postfix server to relay all received mails to smtp.example.com with relayhost. This server doesn't accept mails from an external source. So only scripts are sending mails.
Is it ...
0
votes
1answer
217 views
Postfix enable sending to any domain in the Internet with authentication but no SSL
When I try to send a mail by SMTP and Postfix I got a error "5.7.1 unable to relay".
After lot of config changing it worked for me to send email to the same domain as server (to other accounts on ...
3
votes
1answer
196 views
Creating a “fake” open relay to capture non-relayable outgoing mail with postfix
We occasionally have customer-provided servers in our technical support and engineering departments. They're isolated on their own VLAN, with strict firewall rules in place to minimize possible bad ...
0
votes
2answers
333 views
PHP Mail Relay via Remote smtp Server [duplicate]
Possible Duplicate:
How to configure php.ini with remote SMTP?
We have a php application running on Linux which sends emails to there users. Currently its setup like php.ini is configured ...
