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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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Sendmail 12 day delay after Deferred: Connection refused

I have noticed a few emails have a massive delay (up to 12 days) after being deferred "Deferred: Connection refused" Here is an example: Nov 4 09:29:52 server0004 sendmail[4789]: sA49TLmW004726: to=<** Recipient Deleted **>, delay=00:00:31,…
Nathan Foley
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Too many sendmail instances in “top” command

I got a server with mysql+php running on it only. Cronned PHP scripts (not available publicly) send occasionally emails, but not more than 10 per hour. However, whenever I type "top" in bash I see something like this: top - 00:44:33 up 13 days,…
captain lizard
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Configure sendmail to reject emails without from addresses

My MTA is receiving lots of emails with no from address specified, for example: Sep 15 17:09:57 mta1 sm-mta[46864]: STARTTLS=server, relay=mx01.aquila-capital.de [83.236.242.254], version=TLSv1/SSLv3, verify=FAIL, cipher=AES128-SHA, bits=128/128 Sep…
Greg
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mail server Best practices PTR and SPF

I have 2 domain names in my server : domain1.com is the main domain that I am using as a nameserver (ns1.domain1.com and ns2.domain1.com) and domain2.com (I am using it to host my web application and sending emails for my web application using…
saad
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Linux 25 port routing (tunneling/forwarding)

I have: 1) Centos server 1 with postfic/dovecot mail servers IP1 45.45.45.45 (DNS: host1.com.ua) server 1 cannot make outgoing request to 25 port because Internet Service Provider block it! telnet alt2.gmail-smtp-in.l.google.com 25 Trying…
snex
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mails doesn't fire from php script - some issue with vps configuration

I am unable to fire any email from the php scripts on my vps server. I went to check in the logs and found this: Mar 26 05:53:30 corporatepixels sendmail[23772]: STARTTLS=client, relay=aspmx.l.google.com., version=TLSv1/SSLv3, verify=FAIL,…
beNerd
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Sending email via php generates exim error after cPanel upgrade

I have a script that handles piped emails and sends out automatic responses. This script has been working fine for over a year, yet after my host upgraded to cPanel 11.38.2 my script fails to send email: This message was created automatically by…
user6972
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Can't send php mail()

I just migrated to a new server and apparently I can't send a mail. I've "ipb board" installed there and every time I send a mail I get the following in error_log sh: -t: command not found ls -l /usr/sbin/sendmail lrwxrwxrwx 1 root root 21 Dec 19…
Orlo
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Trouble configuring sendmail to relay mail

I am trying to configure sendmail and ufw on an ubuntu server (ServerA) so that another server (ServerB) can send mail through it. In my /etc/mail/access file I have the following line (a.b.c.d is the IP of ServerB): Connect:a.b.c.d RELAY My ufw…
Warren Schubert
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Mail not going through : Sendmail Issue

Some of the mails for a particular domain are not getting delivered from our mail server. We are using sendmail for mail server. Fallowing can be seen in log Oct 21 13:24:59 mailser sendmail[5407]: r9L7st1a005405: to=,…
Zama Ques
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Does Qmail utilize any of Sendmail's own configuration files?

I am trying to run sendmail in tandem with qmail. Presently there is a symlink in the /usr/sbin/ directory pointing to the /var/qmail/sendmail binary. What do I have to change in the qmail configuration if I remove the symlink and rename…
user1780242
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sendmail - Server Sending Spam?

for the past day my server is being used to send a spam. I'm using the Amazon Linux Distro (RedHat based). It has sendmail 8.14.4. It is setup to require authentication, SSL etc. Below are some excerpts from the log and mqueue. How can I found what…
jira
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What are the sendmail options that can be used with the Linux mail command?

I'm trying to figure out how to get some of our servers to send email through our relay when I use the mail command. If I simply type $ mail -s "Test" user@domain.com mail attempts to send directly to the recipient which is not allowed on our…
theillien
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sendmail - local mail delivery if user exists, otherwise to external mail server?

i have a debian vps with webmin, The TLD for the server has its MX pointing to a different server, I would like it so any mail generated locally, say by the shopping cart would be relayed/forwarded onto the third party mail server, While a few…
Hayden Thring
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Send email from linux server through remote linux smtp server using PHP

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 to do is be able to send mail from my Database…
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