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Questions tagged [sendmail]

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

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0answers
3 views

Google Cloud Server Network DNS entry for an MX record not going active? [closed]

What does it take to have the Google Cloud Server Network DNS entry for an MX record go active? When we ping it it is not found.
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1answer
32 views

Echange 2013 internal server IP and name on message header

I have a server with Exchange 2013. Each message that is sent externally contains the IP and the internal server name. How can I hide this IP and internal name? Because some domains that reject the ...
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0answers
29 views

Sendmail from PHP mail() deferred, finds recipient's Cloudflare IP

I'm guessing this is a small issue, but I haven't been able to find someone with the exact problem before. I have a mailserver on a domain, let's say mymail.com. In Cloudflare, this domain's DNS ...
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1answer
52 views

E-mail configurations for postfix/sendmail on AWS EC2 and SMTP services

I'm new to AWS. We are migrating Joomla websites hosted on a VPS at Hostgator to AWS EC2 running Red Hat. It needs mail services for sending and receiving. I can install postfix and sendmail, but it ...
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2answers
46 views

sendmail still send via estmp when I configured relay system

I am trying to config sendmail to relay mail through external smtp server: sendmail.mc include(`/etc/mail/m4/dialup.m4')dnl include(`/etc/mail/m4/provider.m4')dnl dnl # dnl # Default Mailer setup ...
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0answers
20 views

Typo3 Powermail Sending Mail from punycode Domain

I have a multiple Domain Typo3 8.7. The powermail formular works fine. Except when I use it in the section with the punycode domain (there is an ä in it). Typo3 automatically creates the punycode in ...
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1answer
25 views

Cron output emails created with delay

One of our users has a daily cron job which runs for 24 hours. The output is emailed to the user in the usual way. Because the output is piped into sendmail (postfix) over 24 hours, it appears in the ...
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0answers
9 views

How can I define/rewrite Localhost in Postfix?

I am running Postfix on Centos 7 that routes sent emails to Office 365 SMTP relay. My configuration works fine for external recipients and for local recipients where I specify the FQDN address, like ...
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2answers
115 views

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 ...
0
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1answer
129 views

why sendmail in container not working when running on different host machines?

I've a Docker container running on Debian (stretch). I had sendmail installed through apt-get install sendmail on the Docker container so that I can send emails from the container. Here's how my ...
0
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1answer
77 views

sendmail, exim, or php mail settings to avoid “Sender address rejected: Domain not found” on vps

I have A VPS with multiple domains setup. Some of the domains have PHP sites that send email. It turns out that some email servers are rejecting those emails with error: "Sender address rejected: ...
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1answer
25 views

Set Mail From Name via Virtual Host for sendmail

I have an issue with a Magento 2 store not setting the from path and from name for some reason. After a few hours of debugging I have decided to work around it temporarily while i figure out the ...
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1answer
154 views

setting reply-to in sendmail.mc

I'm using sendmail to send Mails from PHP and also forward some mails addressed to the server to a list of external mail-providers. The forwarding is done via an entry in /etc/mail/virtusertable: ...
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2answers
106 views

Use PowerShell to send a secure email that contains a password [closed]

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 ...
1
vote
1answer
32 views

Can't get Sendmail to connect to MIMEDefang

I would like to set a milter using MIMEDefang on Ubuntu 16.04. I have an existing server using Sendmail 8.15.2-3. I installed MIMEDefang 2.78-1ubuntu1.1 (default package from apt). I configured my ...
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1answer
219 views

550 No RDNS entry for my ip (in reply to RCPT TO command)

Some recipients are making RDNS verification to my mail server and being refused. I have a CentOS VPS with my website and mail server for my business. Is there anything wrong here? I can provice my ...
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0answers
30 views

CentOS 6.9 / Sendmail 8.14.4 / Mail gets stuck as “sending”

We have a "mail relay" server we use for copiers, scan-to-email and some other hardware devices that need to be able to relay e-mail. We recently retired our old mail relay and brought up a new VPS ...
4
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3answers
270 views

is it safe to delete /var/spool/mail/root

There is a specific server in the company I work that uses sendmail to send multiple emails to sendgrid. The file /var/spool/mail/root is about 4.9 GB, which is taking more than 50% of the disk usage. ...
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0answers
39 views

Sendmail error in server log

I am having a problem sending contact forms through contact form 7, when looking at the server log I'm getting the following error: sendmail: Not running with correct effective GID. Is sendmail ...
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1answer
37 views

Sendmail: Is there a way to configure a configure a “buffer” for Incoming Emails?

My Sendmail server receives in average 30 mails/minute, but during some peak times this number jumps to 5000/minute. For processing logic reasons, I would like to know if would be possible to set ...
3
votes
1answer
50 views

Sendmail process crashes as soon as STARTTLS is received

I just upgraded my server from FreeBSD 10.3 to 11.1. It's now running Sendmail 8.15.2 and OpenSSL 1.0.2k-freebsd 26 Jan 2017. Since the upgrade, sending mail to my server is failing. I cranked up ...
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1answer
55 views

Which side of this SMTP conversation is correct?

I have an odd scenario with two mail servers communicating with one another and need help determining which one is behaving correctly. It's a little complicated to explain, so I think a SMTP ...
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2answers
145 views

Google rejecting emails

Google is rejecting emails and send me <<< 550-5.7.1 [XXXX:XX:XX:XX::63] Our system has detected that this message does <<< 550-5.7.1 not meet IPv6 sending guidelines regarding PTR ...
1
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2answers
85 views

I stopped sendmail service and started postfix. Sendmail still shows in email logs?

This server has both sendmail and postfix installed. Sendmail has been running but is not working properly. I stopped the sendmail service and started postfix. Confirmed only postfix is running by ...
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1answer
187 views

sendmail: add domain to local usernames, masquerade hostname

I would like to send mails to local users (mail username -s test <<< "test") and let sendmail add the domain. Sending mail to the full address (mail username@domain.tld -s test <<< "...
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2answers
859 views

sendmail not sending [stat=Deferred: Connection timed out with …]

novice trying to use sendmail for the first time. only issue mails never arrive (not even in spam) I have the following logs: mail.err is empty mail.log shows accepted for delivery but I also get ...
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1answer
176 views

sendmail: rewrite part of envelope sender address

I'm is configuring sendmail on aix server and I need to rewrite part of envelope sender address. from this: user@servername.foo.org to this: user_it@foo.com As you can see what I need is rewrite ...
1
vote
1answer
52 views

Using MX records for providing mail gateway redundancy

my customer has some Exchange servers and they are using a secure mail gateway from a known vendor for their spam mails. Unfortunately this mail gateway software has developed by SMB-minded people, so ...
0
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1answer
296 views

How do I properly configure a FQDN for sendmail to work with PHP mail()?

I'm sure variations on this question have been asked and I apologize if this is a duplicate, but I just can't seem to find something that works in my situation without breaking something else. I'm ...
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0answers
23 views

Stop sendmail rejecting user's emails when LDAP server is unreachable

I have a sendmail inbound mail server that accepts emails delivered to local users. The local user database comes from LDAP using nss_ldapd. Occasionally the LDAP server is unreachable/down, and in ...
1
vote
1answer
509 views

Configuring sendmail for use of Gmail with SMTP on digital ocean

I followed these instructions, and I have this running from the command line. I run a test from the command line like so: echo "Just testing my sendmail gmail relay" \ | mail -s "Sendmail gmail Relay"...
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1answer
65 views

EXIM relay works for SMTP connection but not for sendmail commands

I configured a new exim installation to forward every messages to an external SMTP provider. I can test from smtp connections that the relay works well. Now I need to use sendmail (or similar exim ...
0
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1answer
281 views

sendmail stripping From: address for apache www-data@localhost sent PHP mail()

I am setting up a Science Fair in a Box server that uses apache2, PHP5, and sendmail (although we've uninstalled sendmail and installed postfix with no change in problem ) to send participants their ...
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0answers
111 views

Sendmail changes recipient to @localhost.localdomain

New setup of sendmail (first time doing so) and trying to relay to Office 365 from SQL and Copiers. When testing with 'echo "Subject: sendmail test | sendmail -v username@domain.org' it tries to ...
0
votes
1answer
83 views

Sendmail and GMail with the same domain

I have GMail payed account for own company-like mail. The DNS server for record MX is set to Google servers. I have the same domain set for port 80 (HTTP, A record in DNS) for my home server (I have ...
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1answer
132 views

Restarting service pmta dosn't work [closed]

Hello i have problem when i strat Pmta this is message i get when i debug pmta Thank you Error initializing thread: Error binding socket to 63.141.251.74:2500, status = EADDRINUSE Edit: Proto Recv-...
1
vote
1answer
231 views

How do you set the outbound ip address of sendmail? [duplicate]

How do you set the outbound ip address of sendmail? There are dozens of tutorials but most just tell you what to set without explaining anything and most of them assume you're running a virtual ...
1
vote
1answer
191 views

How to block SendGrid spam with sendmail?

Sendgrid and MailChimp are the two biggest sources of spam captured in my spam-folder. I'd like to block them before they get there. Fortunately, in an effort to appear "legitimate" the spammers ...
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0answers
37 views

dovecot (+sendmail) fails to get email into thunderbird

I ain't able to get emails into my email application (thunderbird). I use 143 Imap to connect which i have tested with telnet and was able to login. But if i select the inbox with telnet it returns "...
1
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0answers
47 views

Sending DKIM-signed emails from specific IP with sendmail

I have a VPS with sendmail installed and configured. I'm hosting several domains on that VPS and recently added a dedicated IP address for one of them. I created a separate sendmail config file for ...
0
votes
2answers
291 views

How to see entire sendmail queue?

I can't see a list of queued messages on my linux server. "sendmail -bp" only will show the first 10 for some reason: /var/spool/mqueue (36 requests, only 10 printed) -----Q-ID----- --Size-- ----...
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0answers
1k views

sendmail not working Ubuntu 16.04 LTS

Ive installed sendmail on my server using the following commands: sudo apt-get install sendmail sudo sendmailconfig Before running sudo sendmailconfig ive added my servers hostname to my /etc/hosts. ...
0
votes
1answer
91 views

Authentication succeeds, but sending still fails

I'm trying to configure my home server to relay e-mails from the family's iPhones. To this end I created a single "user" account in the server's SASL-database and configured sendmail to use CRAM-MD5 ...
0
votes
1answer
126 views

sendmail authentication with passwords in SHA512 hash

Is it possible for sendmail to authenticate users from LDAP with passwords stored as SHA512 hash ? If yes, how? Edit: OS is Arch Linux and i want to use only LDAP to authenticate users.
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3answers
40 views

Sendmail. Store all email received creating unique single file

i'm actually facing a problem due integration with a custom applicance of a customer. Sendmail is really easy to configure and understand but what i need is quite complicated to realize. The ...
0
votes
1answer
73 views

Mimedefang to log spamassassin scores to mail log

I use mimedefang with spamassassin and sendmail I can see the scores and tests in to the mail log if the mail does not get rejected as spam by adding it to the header of the mail. I would like to ...
1
vote
1answer
183 views

Does sendmail support chunking / BDAT?

sendmail 8.14.x Can someone please confirm if sendmail supports BDAT chunking functionality? I'm not seeing any reference to it in the bat book. The only thing I could find online was a post to ...
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2answers
81 views

(Sendmail) Is possible to change the received email path?

Sendmail is the easiest mail system around but i've a specific need i'm not able to manage atm. i'm using a software (that use the maildir structure) and i would like to move all received email in ...
1
vote
1answer
171 views

Sendmail is not working in PHP 7.1 CLI (SSH)

I have opened a tmux screen and started my newsletter. It uses the mail() php function in order to send the emails to 500,000 destinations. It should take normally no more than a day to do so. ...
2
votes
1answer
203 views

How to generate entries for different mechanisms with saslpasswd2?

I'm struggling to create the satisfactory set of records in sasldb2.db. If I use the regular saslpasswd2 -c user I get exactly one record, according to sasldblistusers2: user@my.example.com: ...