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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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Setup Email Server (sendmail + dovecot + squirrelmail)

I am in the process of setting up my very first email server. I can get everything up and running (thanks to apt-get). Manage to tie the users with system users. Now I am setting up virtual users for dovecot. But however, I also notice I can setup…
henry
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Virtualmin Configuration

I am trying to get Virtualmin setup and have reached a point where my noobish sysadmin skills aren't getting the job done. This is the message I get now when I try and refresh the configuration of Virtualmin. BIND DNS server is installed, and the…
Allen
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DMARC rua unable to send reports via sendmail to local e-mail address?

I've setup a small mail server with Postfix, Dovecot, and MySQL (MariaDB) on Debian. I've also configured TLS with Let's Encrypt. rDNS, DMARC, DKIM, SPF and Fail2Ban are also setup and confirmed to work. My DMARC record looks like…
St4rb0y
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How to properly configure sendmail to delivery message?

I bought a VPS from OVH. This Ubuntu VPS hostname is something like vps12345 or vps12345.ovh.net. If I test sendmail via command line to send an email to my mail test@gmail.com, it works: I receive an email from test@vps12345@ovh.net. But I'd like…
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How is sendmail sending emails without port 25 opened?

I have Amazon AWS server which I'm configuring to receive emails. AWS states that port 25 is closed for outgoing connections unless you specifically apply to have it opened. But I tried to send an email anyway with sendmail from the command prompt,…
CaptainCodeman
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Centos 7 - Sendmail google relay issue

So since my isp's smtp servers didn't work i decided to use google's servers, with port 587 since it isn't blocked. So i followed this tutorial: https://linuxconfig.org/configuring-gmail-as-sendmail-email-relay. And now when i try to send i get…
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Sendmail works fine but PHP is unable to use that

I have a problem sending mail with PHP on a LAMP (redhat 7 server). I have configured sendmail, with which I am able to send email using the following: $ sendmail toemail@something.com message body ctrl+d (sends…
Tango Charlie
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Postfix configuration in Ubuntu is not sendin e-mail to Yahoo

Is the first time that I configure a Postfix Mail service in Ubuntu. The situation I'm facing is that recover password e-mails are being sent to G-mail accounts, but no e-mails are being sent to Yahoo e-mails accounts. I configured Postfix for…
Fran Martinez
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Creating subfolder for sendmail user

We use sendmail for automated email alerts such as info@compnayname.com or alerts@companyname.com. It's a simple sendmail configuration where these emails are created and then an alias is used to forward emails to whoever is in charge of looking at…
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Mitigating spam on Linux server where all MTA's (Postifix, PHP Mail() function) etc. are disabled

We have a Debian Squeeze server running a fairly standard LAMP stack (back in the days it was set up using the Perfect Server guide at Howtoforge, so we're using ISPConfig as our backend admin panel) which has been locked down pretty well with…
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VPS Cron and other email going to spam folder

I have a new vps and I need to setup some cron jobs on it to notify me of what's happening on the server. I've tested with sendmail and emails are indeed leaving the server, but on my email they are arriving as spam. What are the steps I need to do…
wadge
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sendmail: rewrite envelope info while travelling

I run my own sendmail mail server at my office which has been functioning perfectly for years. I recently noticed that when travelling, my emails to friends are sometimes bounced - often due to the fact that IP address I am using is part of a range…
prosmart
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Sendmail relay without authentication

I have an issue:when the email is sent from an address other than 127.0.0.1 the authorization is required even if ip is on the same machine. How can I avoid to make request authorization for a given ip ?
famedoro
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Sendmail still displays through telnet even though I'm using Postfix

I recently installed and configured Postfix, and removed every aspect of Sendmail that I could from my Debian x86 system. telnet localhost 25 ...still returns that I'm using Sendmail. I've uninstalled it, stopped it multiple times, and…
Joey Miller
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Is SPF record valid?

I am getting "softfail error" for the current spf record what should i do? This is the original mail i got from my domain. I added the spf record in my dns. v=spf1 mx mx:smtp.secureserver.net include:smtp.secureserver.net ~all Unfortunately I…
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