Questions tagged [sendmail]
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.
343 questions
0
votes
2
answers
51
views
451 4.3.0 <[email protected]>: Temporary lookup failure [closed]
I installed the Postfix mail server and was able to send and receive emails. After installing Postfixadmin, everything was working fine. However, when testing it via the command line, I encountered ...
- 19
0
votes
0
answers
84
views
Sendmail wont work for my ubuntu terminal server (Ubuntu 24.04.2)
I'm currently attempting (and failing) to set up an SMTP mail server on my Ubuntu server so I can recieve emails from the contact page of my php based website. I was planning to send these emails ...
- 1
1
vote
0
answers
54
views
How to instruct sendmail not to prepend email addresses with the local user's name?
Having installed sendmail, I added
define(`MAIL_HUB', `mydomain.com.')dnl
define(`LOCAL_RELAY', `mydomain.com.')dnl
to .mc and recompiled. Now the delivery to [email protected] fails because ...
- 151
0
votes
1
answer
56
views
nslookup times out when type is set to MX
In order to send 2FA emails from a PHP web site to myself, I set up an MX record override and created a firewall rule that allows access to the mail server for the destination domain, but when I ...
- 151
0
votes
0
answers
85
views
How do I add spamassassin to my Fedora / sendmail / dovecot mail server?
As part of my nerdy home system, I have a Fedora Linux server, which is my file server, my web server and my mail server.
For almost 20 years, my incoming mail was scrubbed by a spam filtering service ...
- 477
0
votes
1
answer
83
views
FREEBSD Outgoing Mail Issue - Dual Domain Extension (.com.com)
For a long time, over 6 years, my server was doing well. All moved along nicely without a hitch. Yet, when I tried to use VULTR.com's "snapshot" feature to create an identical server from ...
- 101
0
votes
0
answers
54
views
How to set up email on Intranet - no ISP, no internet, no encryption, no spam filters; everything behind my firewall
The situation is a Raspberry Pi which is hosting several services. Sometimes, a service may fail, then I need to send an alert to my desktop.
I have done many web searches, most of the results talk ...
- 526
0
votes
1
answer
325
views
mailx not sending to Outlook distribution list?
So I have a Solaris 11 server with mailx. I am trying to send emails to distribution lists in the company's Outlook (which is not running on this server, it runs on Microsoft's cloud). I am able to ...
- 111
0
votes
1
answer
290
views
How to set absolute postfix Maildir NOT within home directory ? mail_spool_directory does not work
I have installed Postfix from source in the top level directory /srv/mail/.
I edit the main.cf file and add:
home_mailbox = mail/
When I then send a mail with:
sendmail -t localuser@localhost
> My ...
- 73
0
votes
1
answer
120
views
Strange outgoing messages in syslog, mail.log
I am not using the email config in my ubuntu server, can anyone tell me what is going on?
- 101
1
vote
1
answer
173
views
How to make the script, configured via sendmail aliases file, run as the user to whom that email is addressed?
I have a FreeBSD box running sendmail 8.16. I have several system users (test robots): robot1, robot2 and robot3 and I would like them to be controlled by emails. First of all they should be able to ...
- 133
0
votes
0
answers
137
views
Sendmail message / header rewrite remove "behalf of"
How could I remove this in the email message being sent out through sendmail?
Is there something that one can do to revise sendmail.mc? I read this reference already which didn't solve my issue.
Name &...
0
votes
1
answer
355
views
How to find which clients are using a sendmail SMTP relay?
We have sendmail set up as a SMTP relay on a RHEL 6 machine.
How can we find the hostname or IP address of remote clients using this relay to send mail? Is this information logged somewhere?
The relay=...
- 32.4k
0
votes
0
answers
144
views
Postfix delivers messages locally despite configuration for discovering external agent
A small node operates several web applications attached to a domain.
The same domain is used for mailboxes, hosted off site by a commercial service.
On the name server operated by the registrar, A, ...
- 340
0
votes
1
answer
570
views
Change mail from header in sendmail
We have two separate RTs (request trackers) configured on one server. They both are configured to send the emails through sendmail. We are trying to configure now SPF and DMARC records for these DNS ...
