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

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0
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2answers
38 views

What mailer does cron use to send mail?

I am trying to debug an issue with cron not sending mail on a Centos 6 box that I did not configure. How can I determine which mailer cron is using to send mail? The crontab man page has this to say, ...
1
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2answers
65 views

Send mail from Docker container with host's Postfix

I am running an Ubuntu 14.04 (Linux) server. I have installed and configured Postfix and OpenDKIM very nicely on the server; I can send emails to myself with commands such as echo hi | sendmail root, ...
0
votes
1answer
20 views

How do I handle the server hostname with multiple web sub-domains and email? [on hold]

A while back, I set up a server using nginx for a web site, example1.com, along with email using sendmail and all went well. Recently, I set up a second web site, example2.com, along with email in the ...
0
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1answer
35 views

Sendmail proper configuration

I have a small server (Ubuntu 14.04) for multiple websites. One of these websites needs to send emails to the user on various actions (registration, password recovery, etc.). I have sendmail installed ...
0
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0answers
16 views

Mail to localhost user doesn't work after installing sendmail

I want to send emails to other domains from my virtual Debian server, so I've installed sendmail-bin and sendmail. Since then mailing to gmail adresses works, but mailing to users in localhost mail -s ...
1
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2answers
26 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 ...
0
votes
1answer
32 views

Sendmail emails going to spam

I have sendmail installed on CentOS 6 and whenever I try to send an email, it goes to spam on the recipient. (Gmail in this case) OK, so, the domain I was to send mail on behalf of is: scalpello.info ...
0
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1answer
20 views

Sendmail's MTA, MDA and SMTP 550 User Unknown forwarded to postmaster

I have two boxes running sendmail and configured as: MTA accepting connections from the outside world (mta.xyz.com) MDA accepting connections from internal network and storing them in user mailboxes ...
0
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1answer
36 views

Postfix: use relayhost only when direct delivery not specified

I read up on using relayhost with Postfix 2.6.6. It's possible to use different relay hosts, with different credentials, for different senders. But how do I use direct delivery with specific senders ...
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0answers
43 views

vCenter Server Appliance email's not reaching smtp server

Email's being generated from my test alarms in vCenter are not being forwarded to the proxy / SMTP server configured. I run tail -f on the mail log file when generating a test alarm and I can see the ...
-1
votes
2answers
47 views

“Connection to host lost” on telnet to port 25 [closed]

i installed smtp4dev to test receive mails in my localserver(xampp) for the registration form here: https://github.com/panique/php-login note: localserver is on port: 8080 my php.ini file for SMTP ...
-1
votes
1answer
31 views

Configure sendmail to reject emails without from addresses

My MTA is receiving lots of emails with no from address specified, for example: Sep 15 17:09:57 mta1 sm-mta[46864]: STARTTLS=server, relay=mx01.aquila-capital.de [83.236.242.254], ...
0
votes
1answer
38 views

Linux: Ignored entries in aliases file

I am trying to configure my RHEL6.5 server to send all emails addressed to root or apache to go to my external email address. I have found many guides on doing this and tried all of the suggestions I ...
1
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1answer
147 views

Mails sent to mail.protection.outlook.com are not being received

For few days we have been receiving complaints from many of our subscribed clients that they are not getting daily alert mails. We checked in our logs that the mails are accepted by the servers (MX ...
-7
votes
2answers
60 views

Why use Dovecot AND Postfix/Sendmail? [closed]

Forgive me if I'm missing something obvious here..... but why do most linux server distros come with both Dovecot AND Postfix (or sendmail)? As far as I'm aware all three of them are Mail Transfer ...
0
votes
1answer
46 views

Mail is not sent to specific domain

We are using php mail function to send emails to our customers. Few days ago, we've found that email are not delivered to only hotmail.com domain. I've checked email log to see if there are any error ...
0
votes
1answer
39 views

mail: Cannot parse address

This is the command I use to tar my backup files, write to stdout and then upload everything to Amazon S3 with an email notification. tar -czvf - --exclude-caches /var/www | s3cmd ...
0
votes
1answer
23 views

Why does m4 error “linux-gnu.m4 - No such file or directory” appear the first time after updating sendmail.mc?

SendMail 8.14.x | CentOS 5.x I've noticed that if I manually update /etc/mail/sendmail.mc (for example, enable TLS support), and then bounce sendmail, I get the following error: Shutting down ...
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0answers
70 views

Sendmail Failing to Forward Locally Addressed Mail to Exchange Server

When a customer places an order via our (Magento CE 1.8.1.0) website, a copy of said order is supposed to be BCC'd to our sales manager. I say supposed because this was a working feature before the ...
-1
votes
1answer
40 views

sendmail not working on ubuntu

Our websites aren't sending automated emails because the php_mail() functions does not work and it appears to be because sendmail wont work. I have tried using various command lines but no email ...
-1
votes
1answer
50 views

mail server Best practices PTR and SPF

I have 2 domain names in my server : domain1.com is the main domain that I am using as a nameserver (ns1.domain1.com and ns2.domain1.com) and domain2.com (I am using it to host my web application ...
0
votes
1answer
26 views

Spam emails from Suse server: test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp

Have a virtual server with old Suse. About a month ago cron started spamming me with emails like this: Subject: test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp ...
0
votes
1answer
186 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
vote
1answer
45 views

Need linux milter solution to log email body into database

We exchange emails with various clients and vendors. I am trying to implement a solution where all the email communications between our rep and the client or vendor is saved in our database so in our ...
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0answers
119 views

Sendmail in Ubuntu always fail [outgoing SMTPS(465)]

I'm using sendmail in ubuntu hosted at amazon ec2 hosting. Also I have a paid account (domain) in godaddy, so I want to use godaddy as relay host. I did EVERYTHING based on this tutorial: ...
2
votes
0answers
39 views

Sendmail on CentOS 6, with SRS

I do some mail forwarding, but I'm also a big fan of SPF; I'm aware that I have a problem. While my mail server was running Centos5, I was using pysrs as a milter, and it worked well - but it hasn't ...
0
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0answers
125 views

Emails can't download to Outlook (dovecot, sendmail, CentOS)

I installed dovecot with yum install dovecot Added the following configuration options to /etc/dovecot/dovecot.conf: protocols = imap pop3 lmtp disable_plaintext_auth = NO listen =* To ...
1
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0answers
93 views

sendmail only connects to localhost

I tried to solve this issue exactly for 7 hours, no luck. I tried postfix at first for several hours, finally I understood that SSL/TLS is deprecated in postfix and I kept receiving "unimplemented ...
1
vote
1answer
56 views

Does sendmail send everything to downstream smarthost in “single file”?

CentOS 5.x / SendMail 8.14.x I have a SendMail server that delivers all outbound mail to a downstream smarthost in the cloud: define(`SMART_HOST',`relay:[example.blah.com]')dnl example.blah.com ...
0
votes
2answers
91 views

I don't have Sendmail but port 25 is still using by Sendmail

I am running this command: telnet 87.106.xxx.xxx 25 And it says Trying 87.106.xxx.xxx... telnet: Unable to connect to remote host: Connection refused But telnet localhost is running properly. ...
1
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1answer
76 views

Abnormal sendmail activity using up the server memory on my Ubuntu 12.04 server

Environment Rackspace Ubuntu 12.04 Wordpress MySql The issue I have been experiencing quite serious out-memory-issues in the last couple of days. While I resolved one possible cause the issue I ...
1
vote
1answer
156 views

Postfix 5.7.1 Unable to relay [deliver internal mail directly]

I have the following scenario: serverA = RHEL5 using Sendmail serverB = RHEL6 using Postfix serverC = RHEL6 using Postfix gwsmtp = relayhost example.com = domain name As we are migrating from ...
1
vote
2answers
50 views

Routing mail from domain to external provider

I have a server with hostname and DNS example.com. I also have a google apps account for user@example.com. I have my MX records setup correctly and I can send and receive emails to and from ...
5
votes
1answer
159 views

Understanding service --status-all output

I am trying to understand the output of the service --status-all command on Ubuntu 13.10, since the man page doesn't explain it. For example: [ + ] rsyslog [ - ] sendmail [ ? ] sendsigs [ + ] ...
0
votes
2answers
1k 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 ...
1
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0answers
237 views

send email from ubuntu: msmtp VS esmtp VS ssmtp (and nullmailer)

What are the main differences between these 3 packages that have a very similar name? msmtp VS esmtp VS ssmtp (and eventually nullmailer) Thanks
0
votes
1answer
21 views

How can I determine how many instances (DaemonChildren) of Sendmail were created at a specific historical point in time?

CentOS 5 / Sendmail 8.14 I'm researching an intermittent issue that may be caused by too many instances (DaemonChildren) of Sendmail getting created. Is this information documented in the logs ...
0
votes
2answers
48 views

Prevent abuse of sendmail for spam

In web servers that host many websites there is always the possibility of a hacked site being abused in order to send spam mails with some kind of php mailer bot. In my case sendmail is configured ...
4
votes
1answer
48 views

What can cause an intermittent broken pipe error with a SendMail milter?

CentOS 5 / SendMail 8.14.x I'm noticing intermittent errors with a milter on my SendMail server. Here's an excerpt from the maillog (I've edited hostname, QID, milter name, and recipient address to ...
0
votes
1answer
171 views

How to configure sendmail properly with PHP on EC2 (no SES)?

I have been struggling with sendmail for couple of days with no luck. I am trying to setup relay host, after following the answers in this question ...
1
vote
1answer
117 views

Should DNS A timeout to result in permanent email failure?

Occasionally an email does not get through when sent to a recipient who uses the outlook.com system for their email server. Their MX record resolves fine, but their A record (something like ...
3
votes
2answers
160 views

Backup MX server used to queue mail

In short: I need to setup backup MX server, which will queue messages it receives for later delivery through original MX, AND it must only accept messages for mailboxes which will be listed in ...
0
votes
2answers
54 views

Forward and delete all e-mails using sendmail

I'm using Amazon EC2 instances with a preinstalled sendmail for some application testing. As this is a testing system which might send some e-mail I want to delete and in the same moment forward all ...
0
votes
1answer
196 views

Exim4 envelope-from using PHP mail()

I've set up an exim4 server for sending email only on Debian Sid. If I just send an email it works fine and the email is delivered in my inbox. However, if I send an email using WordPress it is ...
0
votes
1answer
48 views

Send email from main domain using exim4

I've installed exim4 on my server to send email for server messages, registration messages, lost password messages etc. My server's FQDN/rDNS is mail.example.com, which I also entered during the ...
2
votes
1answer
80 views

How can I enforce TLS in sendmail when I don't necessarily know the hostname of the downstream MTA (only IPs)? [e.g. by recipients' domain]

I'm running SendMail 8.14 and have some custom static routes for sending to certain domains. These domains are "internal" but not managed directly by me. Here's an example of ...
0
votes
1answer
94 views

Postfix multiple MX records - binding addresses

I have a postfix mail server with a working opendkim and SPF setup. Everything works when I use only 1 IP/MX/hostname (e.g. mail.example.com). I try to enable another IP so the postfix could balance ...
2
votes
3answers
98 views

Same SMTP server, Microsoft Exchange reaches recipient but sendmail does not

I debated the question title for a while but I think this about explains the question. Feel free to edit it if someone has a better title. Environment: Microsoft Exchange 2010 and sendmail. Problem ...
1
vote
2answers
361 views

Postfix: mails sent through sendmail binary are blocked because of wrong HELO

My server is using Centos 6.5 I updated from Plesk 11.5 to 12 last week and postfix to 2.8.17. Since then, all mails sent using the sendmail binary (notifications, mail forwards...) are being rejected ...
1
vote
1answer
41 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: ...