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Questions tagged [smtp]

SMTP (Simple Mail Transfer Protocol) is a protocol that facilitates communication with a server application capable of sending electronic mail (e-mail).

156 questions
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4 answers

How do I configure exim4 to send mail through a password protected ssl smtp mail server?

I'd like my cronjobs to be able to send mail from my home computer. My servers configure exim4 like…
Stephen Ostermiller
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21
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6 answers

ISP Blocked port 25 because of spamming

Main question: Is it even possible to be be infected with a bot/spamming software on Ubuntu (or any other distro)? Details: My ISP blocked my port 25 (and 465) for outgoing connections (outbound connections, from home to remote server) to SMTP, so I…
droplet
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19
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2 answers

How to change Helo Address?

Right now my Helo Address = localhost (helo=localhost). Is it better to set this to my server's domain name? If so, how do I change it? I'm running Ubuntu 12.04 and Postfix. Thanks.
MountainX
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18
votes
1 answer

Setup a local testing SMTP server

I need to set up an SMTP server, really the goal is so that this server has no communication with the outside world, I would create the server, and would want a mail client looking at messages the server generates (brownie points if all messages go…
Dmitriy Likhten
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13
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2 answers

How to change default FROM address for mail command using sSMTP?

I have installed: sudo apt-get install ssmtp sudo apt-get install mailutils When I use command: echo "something" | mail -s "testing email" email@example.com The generated email have From field set to something like this: From: "Username"…
Maris B.
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10
votes
1 answer

msmtp: sendmail: account default not found: no configuration file available (system wide configuration)

I am trying to setup Ubuntu 20.04 with msmtp as a system configuration. I installed msmtp (v1.8.6-1) and heirloom-mailx (v12.5-2+deb7u1build0.14.04.1). Config file /etc/msmtprc (chmod: 600) has the following: # Set default values for all…
chribonn
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10
votes
2 answers

Why was heirloom-mailx deleted from Ubuntu 18.04?

It broke my mail agent, since I need to redirect to an external smtp server, and nothing else seems to do that properly.
James West
  • 101
8
votes
3 answers

Postfix Using Gmail Relay: Must issue a STARTTLS command first

I get this error: Must issue a STARTTLS command first with all sent mail. Can anyone see why? main.cf: relayhost=[smtp.gmail.com]:587 smtp_connection_cache_destinations= [smtp.gmail.com]:587 #TLS parameters smtpd_use_tls =…
user312837
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votes
2 answers

Setting up a send-only mail server

I'm trying to setup an easy mail server to support my "lost password" function in my website. I'd like to know if Exim is good or not, or is there any better solution? I would also like to know that it isn't easy to manage an smtp server (such as…
KKyang
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7
votes
2 answers

Easiest way to setup a SMTP server to receive mail?

I want to setup a SMTP server to receive all mails. I have only found mail sending software so far (like postfix). But I want to have software to make the server being able to receive mails. Bonus points if it could work like temporary mailsites,…
user101579
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1 answer

How can I install and configure an SMTP server?

How can I go about setting up an SMTP server to send email as *@mydomain.com? How can I then use this SMTP server with a PHP script that grabs data posted from my website's contact form and send it to me as an email? I'm using Ubuntu 13.10 and…
HaVoK
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6
votes
3 answers

Nullmailer in /var/log/syslog

I'm getting a lot of messages like these: me@home:/etc/snmp$ tail /var/log/syslog Jun 12 17:52:15 home nullmailer[1238]: Starting delivery: protocol: smtp host: mail. file: 1339502401.24665 Jun 12 17:52:15 home nullmailer[7086]: smtp: Failed:…
Fluffy
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6
votes
2 answers

Easy way to forward all email

Is there an easy way to install a MTA on Ubuntu and forward all email to a different remote email box? Only want to forward local email and looking for something dead simple. Thank you! Clarification: I see that ssmtp and nullmailer are suggested,…
grm
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5
votes
1 answer

How to enable SMTP with Authentication in Bugzilla 4

I have installed bugzilla 4.0. It's working, however, I am not able to use the feature to send with SMTP with uthentication. According to the release notes, if you install: Authen::SASL the SMTP::TLS should be available in the mail drop…
Saariko
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5
votes
1 answer

Procmail with Postfix and virtual mailboxes

I have setup a working SMTP, IMAP and POP3 server using Postfix and Dovecot. I have setup virtual mailboxes using the format /home/vmail/%d/%u, where %d is the domain (e.g. camilstaps.nl) and %u is the 'user' (e.g. info) - thus info@camilstaps.nl…
user125111
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