Sendmail is the traditional MTA (message transfer agent), i.e. the traditional server program to send, transfer and deliver email. If your question is about sending mail in general, see the tag /email.

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sendmail not using mailertable

I'm having trouble getting my mailertable to work.... /etc/mail/sendmail.mc contains this line FEATURE(`mailertable', `hash -o /etc/mail/mailertable.db')dnl /etc/mail/mailertable contains this line ...
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484 views

sendmail using incorrect timezone

I have sendmail running on my CentOS server. The server is set to BST and tzdata is correct. $ date Tue Jul 2 10:53:56 BST 2013 $ ll /etc/localtime lrwxrwxrwx 1 root root 33 Jun 28 17:07 ...
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1answer
220 views

Sendmail not masquerading email “Received:” headers

I followed the instructions from NixCraft site and try to masquerade my emails with the following configuration: MASQUERADE_AS(example.com)dnl FEATURE(masquerade_envelope)dnl ...
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1answer
294 views

Apache mail sending flowchart / workflow?

I am currently trying to get my head into learning how Linux systems send mail, starting from Apache, to Sendmail and finally out the door. Specifically I'm using CentOS 5 which is using Sendmail, ...
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1answer
1k views

SMTP connectivity issue in Zenoss (“Connection unexpectedly closed”)

I am using Zenoss for monitoring purpose. I have been using its mail service for a long time. Suddenly my mail service in zenoss stopped and started showing <class ...
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1answer
233 views

Courier-imap with sendmail setup: why is my IMAP inbox empty?

I've successfully installed sendmail, but when I connect to the Courier IMAP server via Outlook, the Inbox is listed as empty. When I check the inbox with Alpine locally on the server, it has content ...
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1answer
305 views

Sendmail with TLS support changes FROM: address

I have multiple domains on one server and when sending email to server, which supports TLS, server changes FROM field to default domain ($j). What should i do (in .mc level please) to remain primary ...
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1answer
27 views

Sendmail shell script not working

Can anyone help me please. I'm struggling with a issue since hours and can't seem to fix it. When I execute this script via shell it works and I also get the right email output sent to me, but when ...
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1answer
42 views

No Sendmail but ISPConfig Postfix

This is what php uses to send php mail with the php mail() function: ; For Unix only. You may supply arguments as well (default: "sendmail -t -i"). ...
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1answer
22 views

Masquerading a From address in the format servername@mycompany.local in sendmail

Oracle Linux 5.10 Sendmail version 8.13.8 I'm attempting to send email from a linux server to an Exchange Server and have it delivered to an external address. Emails are currently being delivered ...
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1answer
380 views

Where are my emails stored on CentOS 5.6

I have a CentOS 5.6 VM installation and currently have a handful of emails that I would like to get access to. When I run mail as root, I get: [root@dev mail]# mail Mail version 8.1 6/6/93. Type ? ...
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1answer
84 views

sendmail configuration to use CNAME domain as the from FQDN

Why are CNAME not valid for sendmail email from sendmail? I have domain "blabla.com" which is cnamed to "bla.bla.bla.uk." I sendmail it automatically picking up the correct domain name I want to send ...
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0answers
188 views

Need help interpreting sendmail maillog response

I'm new using sendmail. I have sendmail set up to only transfer mail sent to "mydomain.com" to each user's personal email though none of the users are actual users of the system. I get a lot of ...
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0answers
424 views

Configuring sendmail as a relay to ISP

I need to setup sendmail daemon as a simple store-and-forward mechanism to forward mails to our ISP. I need to connect to the ISP SMTP server on port 465 using SSL/TLS and a username/password for ...
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0answers
23 views

How can I change the from address in *nix mail globally?

I know that you can change the from address in *nix mail by specifying command-line options. However, is there a way to set it globally, so that it is respected by forwarding? I tried modifying the ...
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0answers
291 views

How to configure Sendmail in a jail to get correct FQDN?

I am building a mail server using FreeBSD 9.1-RELEASE with a jail. On the direct OS, all what I have to do was only adding my domain name to /etc/mail/local-host-names file. Anyway I wanted to run ...
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0answers
348 views

Sendmail configuration with user mapping on Solaris

I have the following: host1.intra.net which has sendmail and users: user1, user2 & user3. It is running SunOS 5.10. host2.intra.net which has SMTP server. No authentication, no encryption. Email ...
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0answers
28 views

Make sendmail email me on SYSERR errors

I'm running CentOS5 and sendmail and occasionally I get a line like this: Oct 3 15:19:50 mail sendmail[23643]: s936Is4d023643: SYSERR(root): collect: I/O error on connection from web.address.com, ...
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0answers
473 views

checking sendmail status as NON root user

I am in the process of converting to CentOS 6.5 from 5.5 and need a way to check if sendmail is on or not. For reasons I don't want to go through, I need to be able to check if sendmail is ON as a ...
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0answers
164 views

With opendkim, what might cause “signature doesn't verify” errors with Port25's DKIM email tester?

As far as I know, I've followed all the instructions in this post from Steve Jenkins about how to install and configure opendkim for sendmail under CentOS. ...
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0answers
132 views

Forward Only Email Server

I have a custom domain (I'll use the real domains cause I'm desperate at this point :) ) www.grantorino.io, and I want to forward all email addresses sent to yehiasalam@grantorino.io to ...
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0answers
123 views

Configure sendmail to send only

I want to configure sendmail only to send emails – not to listen and receive. In /etc/mail/sendmail.conf I’ve got: DAEMON_MODE="None"; QUEUE_MODE="Daemon"; Iptables are disabled (temporarily; only ...
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0answers
154 views

Unmanaged VPS bought today. Sendmail not functioning correctly

I purchased an unmanaged VPS today. I moved my website on over, and when I try to send an email. It returns a blank page. Not to mention I had to install PHP myself. Apache was there, for some reason, ...
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How can I restrict incoming emails to AIX server?

How can we restrict all the incoming email traffic on to AIX LPAR? I can send emails from my root/user account to myself/my team. I would like to secure AIX LPAR. So for that, I do not want AIX LPAR ...
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25 views

Sendmail - I/O error “Premature EOM” in maillogs

We're using sendmail as an MTA to send confirmation emails to customers that place orders on another server running IIS. Occasionally we see lines like this in the logs: SYSERR(root): collect: I/O ...
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23 views

How to enable STARTTLS in a Unix operating system

I am using old HP-UNIX server. I want to enable STARTTLS which is not there in the server. I went through some blogs all are saying something about certificates and keys but I don't have these ...
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0answers
661 views

Unix “Mail, Mailx and sendmail” command sending blank attachment on IOS

I am using the below listed code, which sends PDF attachment properly. Attachment can be opened in desktop computer and Samsung mobile but same attachment cannot be opened in IPHONE IOS. Below is my ...
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13 views

squirrelmail options not showing

I have installed squirrelmail, dovecot, postfix doing mailserver system. I also installed plugins for squirrelmail: compatibility, change_passwd. I use firefox to send/receive email ok but ...
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0answers
128 views

Mail Delivery too slow with sendmail

We are using javamail to deliver mail for our applications. The mail function runs in a loop to deliver around 100 to 200 mails depending on the range we use. However, it taking more than an hour to ...
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0answers
338 views

PHP mail() and Debian Wheezy Not Working

I am currently running my on debian wheezy with php5 installed. I was trying use the mail() function, and I realised that I will require a MTA/exim installed before it will be possible because the ...
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0answers
111 views

Letters from mail server comes as raw html (Outlook 2013)

I have two servers with sendmail(php, zf2) and I send mail (from both) to my outlook mail. Message body in html format. From the first email server it comes normally. But from second server letters ...
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48 views

Hit “sasl_decode error=-1” while sending mail via sendmail server on RHEL

Having installed sendmail and openwebmail on RHEL workstation 6.3, I can send email through webmail(cgi-bin/openwebmail/openwebmail.pl), but failed to interact with sendmail server in Perl script as ...
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113 views

How can I configure postfix to send mail from my domain?

I currently have a VPS set up with postfix and dovecot, running on a mail server located at mail.noelforte.com. The setup works fine for receiving mail, as whenever mail is sent to @noelforte.com, the ...
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0answers
34 views

bind9 problem with mail server address

I had installed postfix but since I didn't needed it anymore I removed it. So now the dns is broken and every time I type localhost:8080 in my address bar the browser redirects me to ...
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911 views

How to set up smtp and send emails?

I'm new to raspberry pi. I installed the raspian OS on it. I want to send emails from it using my gmail account. I want to send from the command line interface and from php scripts. I followed this ...
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0answers
281 views

Sendmail authentication

when I try to send email from my new system: Distributor ID: Scientific Description: Scientific Linux release 6.4 (Carbon) Release: 6.4 Codename: Carbon with sendmail Version 8.14.4 I have this ...
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2k views

SMTP Issue: did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA

We had a urgent requirement for creating a mail server to send mail for our Portal application using Liferay. The mail account will be an administrative account to maintain the portal. I was able to ...
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0answers
205 views

Sending mail using sendmail

Need a few clarifications regarding sending mail using sendmail. I actually configured Bugzilla on a test server. The configuration was successful and I am now able to use it. I also want that, ...
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250 views

msmtp-mta: Add $HOSTNAME to every mail

I have a fleet of Ubuntu clients running msmtp-mta along with heirloom-mailx. I'd like to have the same /etc/msmtprc on all machines. At present, when someone uses mailx or sendmail, the mail will be ...
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310 views

How to stop mail with PHP error messages to root?

Today, my Centos has a problem. When I type df -h in SSH I get: /dev/vzfs 61G 61G 0.3G 99% / The disk is full. I found that /var/spool/mail/root is nearly 53GB. tail /var/spool/mail/root -n 50 ...
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How to see if email server is running or accepting connections

This question is related to a previous question I asked about suppressing email from cron. I am seeking for a way to determine if an email server is running or at least if an email server is accepting ...