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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Debugging “unable to connect to sendmail server”

In a corporate environment, we have a mail server which has only ports 25/tcp and 587/tcp available. When we use Perl Scripts (using HTML::Mail) to send hundreds of legitimate mails, it occasional ...
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11 views

relay all TLDs from relay-domains

On my production server, I want to relay all the top level domains, Server is configured with send mail + Dovecot. As I checked in the file /etc/mail/relay-domains if I add any domain then I can send ...
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1answer
16 views

sendmail default mail path

I have just configured the postfix+dovecot and its working fine as I tested with configured in Outlook. Same way I am trying to setup a sendmail+dovecot, The mail problem I am facing here is the ...
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1answer
12 views

Sendmail attach all files in directory

I want to send mail and attach all files in directory. Below doesn't work sendMail -a | find . -name '*.*'
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1answer
63 views

Sendmail says it has sent, but doesn't actually send

I installed sendmail using this tutorial: Install sendmail debian gnu linux I am using this command to send my test email: mail -s "Subject" "xxxxxxxx@outlook.com" <<< "This is the body" ...
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1answer
41 views

Turn off color in bash for logs

I am running Ansible on multiple machines and redirecting the output to a file, say log-$(date), which is mailed to me every day. The output file has multiple text colors, how to turn them off? ...
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1answer
55 views

How to configure a two-factor-enabled Gmail account to work as sendmail on a Debian Jessie?

I am interested to get email notifications from my server to my Gmail account - the same notifications that the server gets in the /var/mail/root - either by forwarding the messages, or or directly ...
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1answer
55 views

Send mail not working with contact.htm

I have a Ubuntu 14 server and trying to get my web site contact.htm to send mail to my address jplazzo@hotmail.com here is the mail.log : Nov 18 17:22:34 ubuntu sendmail[7439]: tAIMMX5s007439: ...
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2answers
18 views

What do the letters F T S R and E mean in Sendmail milter?

I see on sendmail.mc milters lines like this: Xclamantivirus, S=local:/var/run/clamav-milter/clamav.sock,F=T,T=S:4m;R:4m;E:4m I know what is a local socket. But what do the letters F T S R and E ...
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1answer
17 views

Sendmail: how to create a spam folder automatically?

I have a mailserver(sendmail+dovecot+procmail+spamassassin) Works fine,for normal mail,for spam i want to create a folder called "Spam" for every user and put all spam mail there. I configured ...
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2answers
48 views

Can I send email in the background in Mutt while still being notified of errors?

Removing mutt's send delay I originally used mutt's built-in SMTP MTA. However, there is a considerable pause after hitting send. This can be disabled by using an external MTA with set ...
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69 views

sendmail smtp auth simple,why fail auth?

On sendmail i did this for smtp auth sasl is running root 1609 1 0 05:16 ? 00:00:00 /usr/sbin/saslauthd -a pam -c -m /var/run/saslauthd -n 5 root 1610 1609 0 05:16 ? ...
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68 views

Sendmail is canonicalizing domain name from CNAME

I have an old mail server that I recently replaced. The replacement is delivering mail as expected, but there is an odd quirk. I have a variety of aliases that deliver mail to a list of people. ...
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37 views

In FreeBSD, how do you send a mail message from a user on one server to a user on a different server?

The environment is FreeBSD 10.2 with default services including sendmail. Sending a message from one user to another on the system works fine: mail -s "A message" userb Hi b, this is a. CTRL-D ...
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2answers
76 views

How to check all desired files have been downloaded in shell script

I have downloaded the files from remote server by sftp.now i want to check that all of my files (nodeid given) have been donwloaded or not.if not downloaded then give the warning messages by sendmail. ...
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1answer
92 views

Why does sending email via mutt work to gmail but not to evernote?

I have freshly installed sendmail and mutt on Ubuntu 14, with no configuration. It works fine like this when sending a test email to a gmail account, e.g. mutt -s 'test 1' < /dev/null -- ...
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1answer
194 views

sendmail: User unknown

I am trying to run mail (or sendmail) from exadata lnux server and getting 'dead.letter' error. /var/log/maillog file shows stat=User unknown I even tried to update /etc/mail/sendmail.mc file and ...
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1answer
81 views

sendmail messages not delivered after fixing name resolution

On my server, sendmail was taking 60s to send a simple message. After some googling, I found out that it was due to a DNS problem. I had this log: Sep 13 08:00:01 myserver sm-msp-queue[1493]: My ...
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1answer
106 views

Sendmail issues “530 Authentication required” error message when authinfo is supplied

sender_email - email address that does not exist, but must be used as FROM address, because receiver host rejects emails from other emails. receiver_email - email that is supposed to receive the sent ...
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1answer
46 views

Cannot make sendmail to use a remote SMTP server [closed]

I followed the following guide on how to setup sendmail to use a remote SMTP server and authenticate: https://www.smtp2go.com/docs/sendmail/ However, sendmail shows that it sends emails out, but ...
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1answer
110 views

Sending email out at a specific time

I'd like to write emails now and have them go out at some specific time in the future, eg. when the office opens in the morning. What would be a good way to do that ? Most user agents don't support ...
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1answer
29 views

Using wildcard domains in sendmail

I need to add functionality a bounce handler for multiple virtual domains that are constantly dynamic. I have over 1,000 domains that change (additions & deletions) on an hourly basis. ...
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1answer
237 views

sendmail attachment is empty

I am trying to include an attachment to my sendmail eml file. The current eml file (order.eml) has the following contents From: Sender <sender@email.com> To: client@email.co.za Subject: Report ...
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260 views

Sendmail Attachment

I was wondering if it's possible to include an attachment with sendmail. I am generating the following emailfile.eml files with the following layout From: Company Name <example@nowhere.com> To: ...
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35 views

How to override email address used by at command

cron has MAILTO setting to explicitly configure the email address that will receive the report Does at have anything of the kind? Man page says it will send using /usr/sbin/sendmail but which ...
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3answers
162 views

Send mail at startup

I want to send a mail to myself at the restart of a server. We use AWS, and a restart results in a changed internal 10.x.x.x address. This address has to be configured in Postgres and elsewhere, and ...
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34 views

My FreeBSD server busy rejecting sendmail relay

I'm on my BSD server and found my CPU usage at 98% for sendmail service. When I check the log file, I noticed that spammer trying to use a relay. And my server is busy rejecting thousands of request. ...
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1answer
66 views

Can I do a delay delivery in Thunderbird or Evolution

Now we have an option of "Delay Delivery" in Outlook. Can we do something like that in thunderbird/evolution or any other linux client ?
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25 views

Solaris and Sendmail

I am receiving below messages in the logs and the application/user is unable to send the mails: 450 4.7.0 Encryption too weak 112 less than 128 Does any one know how to solve this in solaris.
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2answers
141 views

sendmail: what causes “Deferred Invalid argument” and how do I fix it?

I was testing a script I had written in PHP when I realised that the emails it was meant to send out only went to local addresses. When I logged into WebMin I saw that the sendmail queue had a lot of ...
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1answer
307 views

Is there any way to send mail without a relay server? [closed]

I am new to configuring mail servers. I want to send the mail from one server to an external domain (xxx@yyy.com). How can I implement this? I need some help on it.
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109 views

systemd MAILTO-replacement failing

I'm trying to setup systemd to notify me via email if a unit fails, like Cron can be set up to do. I followed the guide on the Arch Linux wiki. So I set-up a sendmail shell script in ...
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1answer
2k views

Centos - Sendmail smtp smarthost with authentication

I would like to setup sendmail to send out mail using an external smtp-server with authentication. I've searched for solutions, but can't seem to find what I need. There are several examples about ...
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2answers
836 views

Sendmail To Multiple Users Without CC

Hello everyone I was wondering if it's possible to use sendmail in a way that I can string multiple email addresses in the To: as such From: sendmail To: person01@gmail.com;person02@gmail.com ...
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0answers
162 views

NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA: server SMTP socket wedged: exiting

host map: lookup ( ): deferred It is the log info in mailq. NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA: server SMTP socket wedged: exiting It is the log at /etc/log/maillog I use ...
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1answer
37 views

A question about sendmail macros and tls

http://docs.oracle.com/cd/E19120-01/open.solaris/819-1634/fvbqm/index.html Here i read some sendmail macros must be edited on mc file to work I want tls use version 1 and strong cipher How to put ...
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51 views

No sendmail.mc.rpmnew file after upgrade despite having sendmail.cf.rpmnew file

After upgrading to version 21 of Fedora OS, I was issued sendmail.cf.rpmnew and submit.cf.rpmnew files. Since sendmail uses .mc files to generate new configuration, I was expecting to receive ...
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2answers
73 views

sendmail: proper /dev/urandom

I'm configuring sendmail on hpux 11.31 i have to set a a random file if i set define(`confRAND_FILE',`dev:/dev/urandom')dnl Give this error STARTTLS: Error: no proper random file definition ...
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1answer
327 views

Auto-Reply to Messages Sent to Mailing List

Background and Current Situation I inherited a CentOS 5.7 box running Mailman 2.1.9 housing a series of legacy mailing lists. I've been working on moving these lists to other services like Exchange ...
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1answer
124 views

Getting sendmail to send mail at a specific time

We have a stock PHP ecommerce application that sends notification emails out whenever a successful purchase is made. We want one of the notifications to be sent 2 weeks after the purchase is made. ...
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0answers
144 views

sendmail fail to send HTML e-mail on oracle linux

I'm trying to send html formatted mail through sendmail function in oracle enterprise linux. I'm using following script and HTML format to send the mail. Which is working on ubuntu as expected. But on ...
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54 views

how to use postfix alias for sending email

I am not this question has been asked or not, I have postfix running with MySQL and recently i have created "support@example.com" alias email to multiple folks get email, just like distribution list. ...
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1answer
130 views

Need sendmail to pick which relay server will send the mail

Here is my problem with sendmail Oracle Linux 6.5 sendmail-8.14.4-8.el6.x86_64 Need appworx user on Oracle Linux to send mail to internal / external servers We have a barracuda t that processes our ...
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28 views

Mail exchange software

I need to allow users of my site to write emails to each other, without revealing their email addresses. Here’s an example: user1@gmail.com sends an email to user2-alias@mydomain.com, user2@gmail.com ...
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3k views

Where can I find either a)my SMTP log and / or b)determine/toggle whether or not SMTP is being logged at all

My server sends out emails via sendmail or SMTP, depending on the situation. I am trying to find logs for SMTP. Sources indicate that I should look at /var/log/maillog ...
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23 views

Where can I find the server config that I am using to send emails with sendmail in CentOS 5.6?

I have a CentOS 5.6 VM and have been able to send emails from my PHP application up until two days ago. I am trying to find the SMTP server config details in my sendmail files somewhere, but I cannot ...
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30 views

MSP sendmail Linux

I am using MSP mail forwarding to a relay server in RHEL 5. I figured out how to get the masquerade to a fake domain name. How do I send the emails out as ""no-reply"@soandso.com Thanks
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117 views

sendmail and certs

I am trying to set up sendmail for our company on a CentOS 6.6-Release server. Specifically, I want to use SSL, so that passwords are sent encrypted. ls /etc/mail/ssl intermediate.crt ...
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175 views

What am I missing in my SMTP-AUTH relay configuration?

I'm trying to setup sendmail on FreeBSD to relay (outbound) through an Exchange server on the MSA port via SMTP-AUTH. The Exchange server is already successfully relaying for Java applications that ...
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1answer
3k views

Sendmail stopped sending mails, “did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA”

All mails suddenly stopped sending, here is the maillog: Jan 26 17:02:20 vm2745 sendmail[3544]: My unqualified host name (Centos) unknown; sleeping for retry Jan 26 17:03:20 vm2745 sendmail[3544]: ...