General purpose email routing software that supports mail transport via TCP/IP using SMTP
-3
votes
1answer
27 views
Best Practice for Partitioning CentOS as a Mail Server? [closed]
I've got 8X HP900GB 6G SAS 10K SFF on a HP ProLiant DL380p , i am trying to find best practice to partition it's disk space for a mail server which will expand , while i've got so much i/o processes ...
-1
votes
1answer
26 views
ERROR: Message not sent. Server replied: 354
Hello I have strange problem. On webmail every user gets error "ERROR: Message not sent. Server replied: 354" while sending mails.
But mails are sent properly and reaches properly.
Can you tell me ...
-1
votes
1answer
31 views
Send email from linux server through remote linux smtp server using PHP [closed]
Here's my setup
Ubuntu Database server that runs scripts that need to be able to send emails
Ubuntu Web Server that has sendmail setup on it that used to run scripts that send emails
Is what I need ...
2
votes
2answers
35 views
sendmail.cf to read server name from another file?
I need to provide the name of a relay server to my sendmail configuration file.
This server name is however configurable via another system/application.
In case of a change, i need to change the ...
0
votes
1answer
23 views
sendmail working for some emails
I use PHP to send email which uses sendmail. I noticed that some emails are not being delivered with the below errors in /var/log/maillog
Example 1
stat=Unknown Sender
Example 2
stat=Deferred: 450 ...
0
votes
1answer
24 views
Linux mail command not working like it used to
I was using the following mail command in my crontab to which worked flawlessly until we re installed our mail server last Friday:
echo "Testing 123" | mail -s "ECS PostDate Processed" ...
1
vote
0answers
21 views
How to debug sendmail rule TLS_Srv and TLS_Rcpt [closed]
There are some rules which i would like to debug on my local setup.
TLS_Srv and TLS_Rcpt.
Am trying to verify if my server CI string is matching properly with the CI string in the TLS_Rcpt in access ...
0
votes
0answers
28 views
Sendmail Server Authentication: Certificate based: Error
I have configured my setup for a server certificate based authentication.
Both Server and Client are sendmail systems and both have the same set of certificates.
However when client communicated ...
0
votes
1answer
23 views
dsn=5.6.0, stat=Data format error when forwarding e-mail
Our Linux host (CentOS) has several shared domains, one of which is example.com (fake host and user names used throughout this message);
We use /etc/mail/virtusertable to have all mail to example.com ...
2
votes
3answers
39 views
when use . after myhost.mydomain in config files?
I noticed sometimes '.' can be seen at the end of
myhost.mydomain
so it is
myhost.mydomain.
^^^
statement. Where should I use this '.' at the end?
Currently in etc/hosts I ...
-1
votes
1answer
24 views
after changing hostname to FQDN router doesn't list my host? [closed]
my solution to sendmail errors in log:
May 9 19:08:54 myhost sm-mta[17103]: unable to qualify my own domain
name (myhost) -- using short name
was to set hostname from myhost , to FQDN: ...
1
vote
3answers
73 views
unable to qualify my own domain name (myhost) — using short name [closed]
and yes, I have
127.0.0.1 localhost myhost.mydomain.eu myhost.domain2.eu localhost.localdomain
127.0.1.1 myhost
in hosts file. What is wrong? Sendmail started to put this error into log.
...
1
vote
2answers
26 views
Should I change the Envelope From for Sendmail
Currently the Envelope from is apache_user@mydomain.com.
All emails sent from this website use the From address of contact@mydomain.com.
Should I change the Envelope send address to match the From ...
0
votes
1answer
32 views
Change the sender email of logwatch on RH Linux
Im running logwatch on red hat 7
it sends mails using root@localhost.localdomain
however, the email from localhost.localdomain is not received at the recipient because localhost.localdomain is not ...
0
votes
2answers
50 views
Email not being relayed from EC2 Amazon Linux Instance
I'm trying to send email from my EC2 instance.
Regardless of the target email address the SMTP service logs show that the email is sent but it never turns up on the remote server.
I've done a ...
0
votes
0answers
16 views
What is smarthost in sendmail [duplicate]
Can someone explain me what exactly is a Smart Host wrt sendmail configuration?
Would be helpful if someone can give a deployment scenario also for proper understanding.
Smart Host and mail relay ...
1
vote
1answer
49 views
sendmail (Smart Host) authentication with server using certificates
We are trying to prepare a setup with following configuration:
We have a Central mail server which acts as a gateway to the internet for our domain.
We have some client machines which access ...
1
vote
0answers
32 views
Sendmail Backscatter
I am looking for any advice on how I can stop back scatter on my sendmail servers. I have looked at the privacy flags and setting a non delivery for anything. I don't think this is a good approach.
...
1
vote
1answer
59 views
What are steps to clear sendmail queue without rebooting?
Begin Note
I believe this is a similar but not duplicate question to another server fault question, because the bounced message is to a legitimate email address that I can send ...
-1
votes
1answer
19 views
PHP mail(); not working, How to install mail server [closed]
I was unable to send an email using PHP mail sending function. I just came to know there is no mailserver running in my Linux server and I tried to install one using "yum install sendmail" in ssh. But ...
0
votes
1answer
42 views
How does SendMail decide which connections are cached?
CentOS 5.x | SendMail 8.14.4
I'm trying to wrap my mind around how Connection Caching works in Sendmail.
I'm experiencing some connection issues with some remote mail hosts that we communicate with ...
-4
votes
0answers
27 views
Unstable work of SMTP [closed]
I have VPS with a few websites. All services are stable on the server. But look at the smtp
What it works so unstable?
CentOS 6, sendmail
UPD1
I'm using monitor.us for external monitoring of the ...
0
votes
0answers
42 views
How can I throttle incoming emails in SendMail for a specific recipient?
CentOS 6.3 | SendMail 8.14.4
I'd like to throttle inbound emails to a specific address via sendmail. Is that possible? Ideally I'm looking for the opposite of greylisting: Accept the first email from ...
1
vote
1answer
71 views
mail received at sendmail has relay=localhost [[UNIX: localhost]] causing check_rcpt to say Relaying denied
I have setup my local sendmail as a Smart Host and trying to relay all incoming mails to a mail server.
However, whenever i try to send a mail to an internet mail address, getting the following ...
0
votes
1answer
23 views
Does running sendmail commands from the command-line affect the stability/uptime of the sendmail daemon?
CentOS 5.9 | SendMail 8.14.4
Pardon my ignorance but I'm compelled to ask: Does running separate sendmail commands from the command-line (e.g. sendmail -d##.# -qRfoo.com) affect the stability/uptime ...
2
votes
1answer
30 views
Where/how can I find a complete list of debug flags for sendmail 8.14.4?
CentOS 5.9 | SendMail 8.14.4
I recently learned about debug flags in sendmail and would like to keep a list of them for my specific version (8.14.4). I understand that these debug flags change/grow ...
1
vote
0answers
49 views
How can I confirm what specific MX priorities SendMail saw when delivering a message?
CentOS 5.x | SendMail 8.14
I've got a sendmail server that is configured to be the last hop out. It performs DNS lookup for outbound messages and attempts to deliver them to the recipient mail host. ...
0
votes
1answer
43 views
Configuring Sendmail to report successful deliveries
I now have Sendmail report the fail deliveries by bouncing back to a bounce mailbox. E.g. failure to reach joe@example.com would bounce back to bounce+joe=example.com@mysite.com.
I was wondering if ...
-1
votes
1answer
44 views
Sendmail mqueue deferred (list.dsbl.org) [closed]
Hi I have a issue with a mailserver configured with sendmail.
In mailq I have many entrys with:
(dnsbl map: lookup (254.0.168.192.list.dsbl.org.): deferred)
Thanks.
1
vote
4answers
157 views
How I (simply) Forward All Incoming Email to an External Address (ie. Gmail)?
With Google Apps no longer being free for small businesses/teams, I'm left pointing my MX records at my application server. I'd still like to receive email at a Gmail address sent to the domain ...
0
votes
0answers
47 views
sm-mta strange outgoing messages
I noticed something weird today on my mail server. I had a message in my inbox that said:
Received: from myserver.com (localhost)
by myserver.com (8.14.3/8.14.3/Debian-9.2ubuntu1) id ...
0
votes
1answer
37 views
sendmail on ubuntu not working correctly
I am in the process of setting up a new server which runs Ubuntu on a LAMP stack.
I have installed sendmail but it doesnt seem to work.
This is my output in the error log:
Apr 16 13:46:51 ...
1
vote
1answer
58 views
iptables - sendmail send out only
I have had a look around and tried a number of things.
If I want a (centos) server to only be able to send emails (notifications to me) but have no other internet access in or out then what are the ...
0
votes
1answer
67 views
Getting error when Send mail to other public/private mail server with same email account name?
I have a private mail server in our organization like mail.domain1.com.
Let's say I have mail id of masud@domain1.com. But when I send mail using the same local part with different domain like this: ...
0
votes
1answer
66 views
Sendmail chdir(/clientmqueue) permission denied
Some of my php mail forms have stopped working.
# tail /var/log/maillog
says
sendmail[18010]: NOQUEUE: SYSERR(nginx): can not chdir(/var/spool/clientmqueue/): Permission denied
The owner of ...
0
votes
1answer
66 views
Why sendmail is accepting mails for hostname not present in local-host-names file?
I have following line in my cf file
Fw/etc/mail/local-host-names
and following lines in local-host-names file
mydomain.com
hostname.mydomain.com
but when I send mail to ...
0
votes
1answer
164 views
PHP mail function not working - sendmail to blame?
All of a sudden it appears as though we can no longer send E-Mail by using the mail function in PHP. After doing some investigation through looking at other threads in ServerFault and on various other ...
1
vote
1answer
27 views
What conditions determine the uniqueness of a SendMail QID?
CentOS | Sendmail
On occasion I've noticed that completely separate messages going through a common SendMail server may have very similar SendMail QIDs.
For example one message may have a QID of ...
0
votes
3answers
77 views
Sendmail wont send to same domain
I'm using sendmail on my webserver, which so far is working fine. However, when I send emails to the same domain I'm sending them from, they never get delivered. I temporarily changed the email ...
2
votes
1answer
67 views
How to read HUGE clientmqueue in human format?
Clientmqueue is over 18GB and
ls /var/spool/clientmqueue
is working 5 min already.
I want to see what mail is in the queue. Maybe i can read some in human format?
To see date title who send it and ...
1
vote
1answer
55 views
How can I defer delivery of an email message with exim?
I have previously used sendmail from the command line to send a large number of messages and used the -odd flag to defer delivery so that the program puts the emails into the queue quickly and returns ...
0
votes
1answer
161 views
Sendmail Spamming Recipient
I am using a perl script to send daily status to my gmail account.
For some reason, sendmail seems to be spamming gmail although I am only sending one email
Gmail is complaining about a failed ...
0
votes
1answer
96 views
Port 25 blocked but Firewall is off [duplicate]
OK so this is driving me crazy.
Running sendmail on CentOS. It's running, and listening on 25:
[root@mysqlslavebackup ~]# nmap -sS -O -sV 127.0.0.1
Starting Nmap 4.11 ( ...
0
votes
1answer
44 views
Email host rewritten by sendmail/postfix
I have a Postfix mail server running, and I'm trying to understand why emails sent to myself@example.com are actually sent to myself@some-server.example.com instead.
On the command line, I send a ...
-1
votes
2answers
54 views
Reduce disk writes in sendmail system
I am using sendmail in a farm of ~10 servers processing 200-500 messages a minute. I have found that after moving to a virtual environment, my largest bottleneck is disk write, and specifically the ...
1
vote
2answers
62 views
Creating a mailbox for sendmail using adduser / mailboxes without system user accounts
I want to create some mailboxes for Sendmail and I am going to do it with the adduser system utility, so every mailbox will be a user in the system. How do I restrict the privileges of these accounts ...
2
votes
3answers
393 views
Ubuntu sendmail “Relaying denied. Ip name possibly forged” (in reply to rcpt to command)
When I try to send an email (from a different server) to a local account on my server I get the following error:
Relaying denied. IP name possibly forged [W.X.Y.Z]
Here's what I do:
...
0
votes
1answer
65 views
Sendmail Modifies Recipient Address from DNS Lookup
CentOS 5.8 box (Unitrends Appliance) with stock Sendmail sendmail-8.13.8-8.1.el5_7. If we email to normal addresses from the box (we have two boxes both doing the same thing) everything is fine. If ...
0
votes
1answer
181 views
NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA-v4: cannot bind: Address already in use
I have an issue with sendmail on my server (ubuntu 12.10) with php, mysql,and wordpress installed. Basically I want to create a contact form in my blog to receive emails from visitors directly into my ...
1
vote
2answers
73 views
Logging auth information in sendmail
Problem: the sendmail default logging configuration does not log per message auth info which I neeed (i.e. I want to know which user/authmethod was used for a certain message id). Following a tip from ...
