General purpose email routing software that supports mail transport via TCP/IP using SMTP

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1answer
802 views

How can I forward email to a perl script on Linux?

I would like all mail sent to a particular alias on a Linux machine to be processed by a perl script but sendmail is giving me a "Service unavailable" error and I don't understand what I'm missing. I ...
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0answers
25 views

sendmail won't send Connection refused by [127.0.0.1] [duplicate]

Sendmail newb here, so bear with me! The host cannot send mail outbound, it seems, due to this in /var/log/maillog: Dec 22 15:01:01 collab sendmail[4963]: sBMK111o004963: to=addresses@obscured, ...
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1answer
45 views

Postfix: sendmail (php-cgi) with different IP as authenticated SMTP Users

my Postfix-Mail Server is delivering two main types of mails Mail recieved from php-cgi (sendmail), localhost relay Mail recieved from authenticated SASL SMTP Users Is it possible to define a ...
2
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2answers
37 views

Why does the sendmail.mc file support entries that are not formatted for m4 syntax?

I recently discovered that /etc/mail/sendmail.mc supports entries that are not in m4 syntax. For example: LOCAL_CONFIG O CipherList=HIGH This doesn't make sense to me because pretty much ...
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0answers
30 views

Why is sendmail not relaying some email to Exchange?

On my network I have an Internet facing CentOS 6.5 server running sendmail. It receives email from my Sonicwall router running the full gambit of gateway spam and IPS services. It then relays ...
0
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1answer
34 views

What is X-DKIM header for?

There are some emails with an X-DKIM header (next to DKIM-Signature) like this: X-DKIM: Sendmail DKIM Filter v2.8.2 DOMAIN SOMEVALUE However I am unable to find decent documentation for it. What is ...
0
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1answer
854 views

Setting up ubuntu to send mail from PHPMailer

I have a small server, inside the company where I work, which has an app that needs to send email to notify users for different reasons. I'm using PHPMailer to do this. But as I suspected, I need to ...
1
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1answer
36 views

Smarthost with two email server backend [closed]

I have a smarthost (sendmail on linux installation) which is serving my lan email server, and it is - obviously - in DMZ. I'm planning to change my lan server in order to migrate to exchange. I would ...
1
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1answer
832 views

Mailx not sending emails

Using CentOS 5.6 and trying to send (only) emails to remote boxes. I am on a CentOS client box and trying to send email to my road-runner email account. mailx -s "Some Subject" me@tx.rr.com < ...
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0answers
22 views

Sendmail sending as root@localhost

I am reconfiguring sendmail for a client who has a server that runs sendmail and a number of applications that they've developed. The applications send email out by using the sendmail command like ...
3
votes
2answers
3k views

Sendmail Configuration for Exchange Server

i need help for sendmail configuration in our linux machine. Here the things: I want to send email to outside by using our exchange server as the mail relay.But when sending the email through the ...
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2answers
28 views

Spam being sent via sendmail on server. How do I trace the source?

Ther eis spam being sent from my server right now and I have no idea where it is originating from. Here is the log entry from one of the emails: Dec 11 20:04:55 ip-10-170-94-31 sendmail[20858]: ...
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2answers
64 views

Sendmail 12 day delay after Deferred: Connection refused

I have noticed a few emails have a massive delay (up to 12 days) after being deferred "Deferred: Connection refused" Here is an example: Nov 4 09:29:52 server0004 sendmail[4789]: sA49TLmW004726: ...
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0answers
51 views

CentOS/sendmail = How to prevent emails from getting “defer” when sent from php mail() function? [duplicate]

I am working on a server running on CentOS (goDaddy VPS). I have WHM setup on it. And I am getting a lot of delays in emails being sent from php's mail() function. I am looking at the Email > Mail ...
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1answer
1k views

Procmail lock failures and errors while writing

I'm setting up a mail server on an embedded linux system. When sending mail to a local user I get the following error from procmail: procmail: Lock failure on "/home/mail/ktos/.mailspool.lock" ...
0
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1answer
3k views

NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA-v4: cannot bind: Address already in use

I have an issue with sendmail on my server (ubuntu 12.10) with php, mysql,and wordpress installed. Basically I want to create a contact form in my blog to receive emails from visitors directly into my ...
0
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1answer
1k views

help with sendmail configuration to send mail through my gmail account?

This is the sendmail.ini file what to change now # Example for a user configuration file # Set default values for all following accounts. defaults logfile "\xampp\sendmail\sendmail.log" # Mercury ...
2
votes
1answer
2k views

apache sendmail: trying to change user “from” address from apache to domain account

I apologize if I am asking a question already answered, but my problem isn't really that I haven't found an answer. I have, in fact, found a half-dozen different "solutions" to my problem, tried them ...
1
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1answer
55 views

Outgoing Spam through hacked Mail Accounts

Already searched some Hours about this Problem - but no good Solution in sight - so maybe someone here can help me on this. We offer Webhosting / Mail Services. Lately the amount of Hacked E-Mail ...
3
votes
0answers
30 views

How can I explicitly disable TLS when sending to one specific recipient?

I have a SendMail 8.14 server deployed in the middle of an SMTP workflow (Outbound mail looks like Exchange -> SendMail -> Appliance -> Internet) I have TLS configured for the first three hosts. ...
1
vote
1answer
29 views

smart host does not deliver email if date header sent?

I use MantisBT 1.2.6 on an Amazon Linux server. It has its own email-sending class layered on top of the PHP mail() function. Actually, it has other options to use smtp or sendmail directly, but I use ...
3
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3answers
121 views

Setting up FQDN in sendmail [closed]

In this blog post he suggests echo '127.0.0.1 localhost EXAMPLE.my_domain localhost.localdomain EXAMPLE' >> /etc/hosts but ends the post with But this is a less desirable approach ...
1
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1answer
35 views

CentOS - Cant find sendmail config file

I am running CentOS, but can't find the sendmail configuration file. According to these instructions, Common Sendmail Configuration Changes, the config file should be in /etc/mail/sendfile.cf. I ...
4
votes
2answers
110 views

Confused about alias_maps and virtual_alias_maps

I have already re-read the docs on this as well as other posts here and this is still very unclear to me. I have been testing various things to understand the difference between alias_maps and ...
2
votes
4answers
2k views

Email forwarding from my domain to gmail - FAIL

[There are numerous similar questions on ServerFault but I couldn't find one that was exactly on point] Background: I use Gmail for my email client. My email is example@gmail.com. However the email ...
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2answers
837 views

sendmail is timing out

sendmail is timing out on one of our CentOS servers. Here is my test [root@testserver ~]# echo "Subject: test" | /usr/lib/sendmail -v john@ourdomain.com Here is the output: john@ourdomain.com... ...
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1answer
40 views

Multiple domain server, sendmail working erratically

Movie synopsis: I'm managing just a few websites with VestaCP, each website has its own domain and so far it works good. The server is on Linode. I have implemented a very simple contact form in one ...
0
votes
1answer
20 views

Exim need to send mail off server

Never needed to set up a mail server before. I've got exim up and running perfectly fine. When I send an email using command line to my.email@gmail.com it works wonderfully, arrives from ...
0
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1answer
37 views

Web form sending email to gmail-hosted domain is not delivering for 1 of 3 clustered web servers

We have 3 AWS-hosted web servers all configured (as far as I can tell) identically. Each server has a copy of a web feedback form that submits to a PHP script that ultimately calls the php mail() ...
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0answers
16 views

Sendmail avoid bounced mails to be reprocessed

I'm quite new to running my own Linux server and I was just wondering if the following is normal or if my server is being abused by some spambots. So I have a linux server running which has also ...
0
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2answers
283 views

SendMail TLS Certificate - Can it be shared for different hosts?

CentOS 5 | SendMail Can TLS certificates be shared between multiple sendmail MTAs? I'm using a CA-signed cert and would prefer to not purchase new certs for each additional sendmail host.
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1answer
25 views

Does SendMail Support TLS Certificates With Subject Alternative Names?

CentOS 5.x Does SendMail support TLS certificates with Subject Alternative Names? I have a set of sendmail servers and would like to use the same certificate for all of them (to save time and ...
0
votes
2answers
867 views

Sendmail MTA, smarthost not working

I have configured Sendmail to work with a smarthost by adding the following line to the configuration define('SMART_HOST', 'smtp.ISP.TLD')dnl and after that I issued make -C /etc/mail The mail ...
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2answers
60 views

Make all users 'trusted' in sendmail

Is there a way to make all system users be 'trusted' by sendmail without having to manually add all the usernames to /etc/mail/trusted-users? Or even better, can I instead of defining 'trusted ...
1
vote
1answer
2k views

Sendmail: DSN: Service unavailable

I've been having trouble getting my server to send email and I haven't for the life of me figured out how to fix it. If anyone could give me some simple pointers, that would be muchly appreciated! ...
0
votes
1answer
38 views

Sendmail set domain in From field

I am using a Hetzner root server running Debian 7. My IP address is 148.251.181.168. My hosts file has the domain name immediately after 127.0.0.1, which was suggested as a solution elsewhere. ...
0
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1answer
28 views

What version of OpenSSL does SendMail use and how is this maintained?

My understanding is that SendMail leverages OpenSSL for STARTTLS functionality (among other things). Does this link dynamically against whatever version of OpenSSL I have installed? Or does sendmail ...
1
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3answers
343 views

What is the difference between the sendmail submit queue and standard queue?

I'm confused on the purpose of the sendmail submit queue (by default /var/spool/clientmqueue). I think it's used to store messages when sendmail is ran in mail-submission program mode instead of ...
2
votes
1answer
63 views

Mail has stopped working on Centos since instlling MailScanner

I have a VPS which I rent and it is running Centos 6. The VPS has ZPanel installed which is used to host some websites and emails. I have just installed Mailscanner and now, I have noticed that ...
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0answers
69 views

Using Fake Sendmail with PHP

When attempting to send from PHP via sendmail it just hangs. Using IIS sendmail.ini is setup correctly because from command line I can send a test email via the following sendmail -t < ...
1
vote
1answer
79 views

How can I explicitly force SendMail to not use SSLv3 for STARTTLS connections?

SendMail 8.14.x With SSLv3 being sunset (to put it lightly), I'd like to ensure that my SendMail servers aren't using it when establishing STARTTLS connections. Is there a way I can force SendMail to ...
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0answers
56 views

What does “version=TLSv1/SSLv3” mean in SendMail STARTTLS log output?

SendMail 8.14.x I have a Sendmail server configured to use TLS and I see TLS log entries like the following: Oct 25 04:04:04 foobox sendmail[1234] STARTTLS=client, relay=[1.1.1.1], version ...
0
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1answer
103 views

user smmsp found in repeatedly in auth.log

Running an Ubuntu server that hosts about 10 Wordpress websites Is it normal to find this in my auth log? Oct 26 08:40:01 andre CRON[4737]: pam_unix(cron:session): session opened for user smmsp by ...
0
votes
1answer
20 views

sending e-mails via sendmail using virtual-users

Currently my sendmail send e-mail with following header: Received: (from www-data@localhost) I want this header to be like: Received: (from contact@mydomain) but I am also hosting multiple ...
0
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2answers
4k views

Need help configuring Sendmail relay/Connection refused errors

I am running Ubuntu 10.04 with Sendmail in a VMWare VM. In my mail.log file I have thousands of Connection Refused errors, and I'd like to get rid of them. There are multiple errors each second and ...
4
votes
1answer
1k views

Prevent mail being marked as spam

This is a canonical question about avoiding outgoing mail being classified as spam. I'm wondering how to prevent my emails from my site being marked as spam? I'm using sendmail. I'm trying to ...
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2answers
50 views

Tracing down spam

How can I find the source of out going spam on a linux server? tail -f /var/log/exim_mainlog 2014-10-24 15:02:37 [28750] 1Xhl4A-0007Te-9C Completed QT=7s 2014-10-24 15:02:37 [28746] SMTP ...
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votes
1answer
42 views

Too many sendmail instances in “top” command

I got a server with mysql+php running on it only. Cronned PHP scripts (not available publicly) send occasionally emails, but not more than 10 per hour. However, whenever I type "top" in bash I see ...
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2answers
39 views

Configure sendmail to send emails as 'example.com', but relay actual emails to 'example.com' to another server

A cloud-based server set-up by a 3rd party is using sendmail to do email sending. Now, the sendmail has been configured so that emails from www-data@localhost [1] is sent as www-data@example.com. The ...
0
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1answer
156 views

sendmail fails to send to specifc domains with “stat User unknown”

First of all, I searched a lot and the closest scenario found is sendmail doesn't send email to specific domain email address, tried to use the proposed solutions but none of them worked for me. ...