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Questions tagged [sendmail]

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

sendmail is a popular Unix-based email routing facility that makes use of and supports the transfer and delivery of email via the Simple Mail Transfer Protocol (SMTP) and many other ways (e.g. UUCP).

sendmail exists both as free and open source software and as a commercial project, called Sendmail.

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SMTP server not sending DSN

Is the outgoing smtp server expected to notify sender of failure in upstream transfer giving this scenario?: User A tries to send email message via his Outgoing SMTP (A-SMTP) server to recipient B. Outgoing SMTP (A-SMTP) server accepts message and…
Antonio Zunic
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Make sendmail listen to external ip

How can I made sendmail on FreeBSD listen to port 25 outside of the system, so I can receive mail from outside services. Currently it is only able to receive mail locally though it can send mail fine.
Recursion
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No package sendmail available

Unfortunately, my server is unable to send email. I found the following tutorial by searching the web: https://pepipost.com/tutorials/install-sendmail-server-centos-7/ But when I enter the sudo yum install sendmail sendmail-cf m4 command, I get the…
Hamid Reza Yazdani
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Sendmail sends everything except for mails with recipients of the same domain

I am using the following setup. The client's DNS is pointing to Hostgator, but the client wants to test if his site runs faster on DigitalOcean. So the only DNS records I am pointing to DigitalOcean are: site.com A …
Mihail Minkov
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How to whitelist users at the MX server, instead of the mail server, using Sendmail

I am running Sendmail 8.15.2 on Fedora 30 with a MX relaying to a mail server. The relay-domains file works fine to funnel only the desired domains from the MX to the mail server. But the mail server has to reject oodles of wrong users. I would…
faultintolerant
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Cron Job is not sending output of script as email, while same script is sending email if being run from cli

I have a script which gives output in a file and doing few awk operations on that output file and mixing the output of two files using paste -d and then sending the email of newly created file to email. If i run same script from command line, its…
Rahul
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relaying denied - why is sendmail authenticating the sender instead of the recipient

I am trying to set up an email server that receives email from a mx server using sendmail software on Fedora 30. When the mx forwards email to the email server, the logs show a Relaying denied - Proper authentication required error and also indicate…
faultintolerant
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${mail_host } macro on sendmail.mc is returning an empty value

I've created a custom header and I'm trying to set its value to something like username::domain:servername. For example, messages from user@mydomain.com using myserver as the MTA should generate a header value of user::mydomain.com.:myserver. I've…
Diego Lima
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How to add custom headers on sendmail

I have a sendmail server and I'm trying to set it up to add a custom header called "Feedback-ID" to all outgoing messages in order to keep track of the messages sent from the server using Google's postmaster tools, however I've found surprisingly…
Diego Lima
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CentOS 7 sending e-mail crons while sendmail is not installed

Background I have configured my crontab to send me emails that way MAILTO=myemail@company.com ... And I am receiving the e-mail in myemail@company.com's inbox through the company SMTP server without having to configure anyting. (They do not require…
Noah Boegli
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Writing an email with proper salutation and declaration in bash script

Running out of space "/dev/mapper/LVMG1-tmp (87%)" on Hostname as on Mon Feb 3 15:44:03 IST 2020 above is the message I'm getting in the email but I need to use a proper salutation and declaration how can I archive this kidly suggest your…
vk_dinesh
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can't send email from php-fpm

I can send emails from the command line using sendmail, I can call a php script ( php -f sendmail.php ) from the command line and the mail sends successfully, but if I call the exact same script from the website (…
user394945
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How do I setup Sendmail and the FQDN for use with server images

I have loadbalancer sitting infront of serveral webservers. The website served up has a contact form that uses sendmail. I have installed sendmail on one of these webservers: web-01 This is the hostname of the machine. I have gone into the…
Shawn Northrop
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sendmail send Authentication-Warning

Dears, I receive successful message from postfix/pip in Centos7 (delivered via spamassassin service) while it doesn't deliver email to user with sendmail Authentication warning log. you can find log in the bellow. mail postfix/pipe[33055]:…
Faeze Ghorbannezhad
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Use PowerShell to send a secure email that contains a password

I'm implementing to write a PowerShell script to send a secured email which contains password in it. I've been investigating the good ways to implement, but I cannot find out a proper method. The scenario is: A person requests a password, the script…
Ender
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