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

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Uncomplete install of POCO C++ libraries

I recently started to use POCO C++ libraries to create a simple mail client and I needed to use SecureSMTPClientSession class, but compiler reports Poco/Net/SecureSMTPClientSession.h: No such file ...
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0answers
6 views

Postfix error when using gmail smtp

I am trying to send mail with postfix through gmail smtp but i get this error in log : May 14 09:01:34 wemine postfix/smtp[4900]: 5457A62AE3: to= <infinity.mihai@gmail.com>, relay=none, ...
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0answers
52 views

configuring haproxy for SMTP traffic

I am trying to get SMTP (and IMAP, POP, IMAPS, etc..) to run over my haproxy server but i can't seem to actually get traffic to be allowed through. Anytime i telnet to my ip on port 25 i get: (same ...
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1answer
41 views

PostFix on Ubuntu (Ubuntu Linux 14.04.1)

I set up postfix to some extent, after following about 5 tutorials I think ive gotten somewhere, whenever I telnet 25 localhost I can see SMTP and AUTH. However whenever I send an email to one of the ...
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0answers
14 views

Error (-1) Connection refused

I am getting an SMTP error (-1): Connection to server refused I had been trying to allow Outlook to access my IMAP/SMTP server, but alas. I screwed it up. Anyone know of a push-button restore ...
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1answer
58 views

SMTP mail settings

I use Ubuntu 14.04. I was sending a document in pdf format through LibreOffice email for the first time. I get prompts asking me for server configurations. I did not know the format for yahoo SMTP ...
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0answers
36 views

How to set up ubuntu server so it uses outside mail server

I have no idea about setting up mails. I'm using 3rd party paid mail and would like to use their smtp server and everything. So how do I set it up that the server scripts send mail through that?
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0answers
65 views

Sending email no longer working on Ubuntu 14.04.1 after deploying with Meteor Up

I asked this over on SO, but I think this is a server related issue, so this might be a better place to ask: Recently I added email sending capability to my Meteor app, using both the email package, ...
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1answer
121 views

smtp authentication virtual domain ubuntu 14.4

two domains configured as virtual domains and ubuntu 14.4 installed: I need to configure smtp authentication for dovecot, without authentication it is working I have go through several docs but non ...
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1answer
80 views

how can I redirect all mails of my smtp server on only one adress mail (using roundcube)?

I have install postfix/courrier to send and recieve mails. I use roundcube like webmail to watch it. I have configure postfix with mysql DB, and create "contact@mydomain.com" adress. There is ...
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1answer
43 views

How to create localhost [closed]

I am trying to set up a temporary SMTP server to send an email. I am using python for this (smtplib.SMTP('localhost')) and getting a socket error. When I try wget localhost, I get a "failed: ...
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0answers
80 views

Typo3 sending smtp-emails with extbase?

I wanted to aks if somebody can help me out here. I use typo 6.2 and in my Controller (using extbase) I already have this code running correctly: $message = ...
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2answers
510 views

Ubuntu 14.04: How to send email without registering a domain or having an MX or A record?

Ubuntu 14.04 on a virtual machine that is not my PC. I use my PC (Windows 7 and Putty 0.63) to shell into it. Uname=Linux ubuntucomp 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 ...
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1answer
136 views

Failure during ssl handshake while sending mail using openssl

I am trying to send mail from terminal using openssl by connecting to gmail's server using ssl on the port 465. Things are fine until i enter from address and authenticate. But when i enter RCPT TO, i ...
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0answers
6 views

exim4 rejecting new users

I have exim4 set up to send mail using SMTP authentication, however, it's rejecting the credentials of any new users I add to the system. Is there some additional config file I need to modify?
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0answers
187 views

530 5.7.0 Must issue a STARTTLS command first

I use ubuntu 14.04, installed Thc Hydra 8.0, everything looked fine until I started xhydra to crack my own email address, it keeps saying [ERROR] SMTP LOGIN AUTH, either this auth is disabled or ...
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1answer
204 views

Can Ping & HTTP but not SMTP from a host

I have an Ubuntu 14 Server host. I can ping and HTTP to an external server, but cannot SMTP to it. Doing host mail.domain.com returns the correct external address, so DNS is working. Doing ping ...
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0answers
100 views

Joomla with postfix php mail not working

I am getting this error in mail.log (after trying to submit a contact form): fatal: Recipient addresses must be specified on the command line or via the -t option Its worth mentioning that I have ...
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2answers
317 views

How to check if I can connect to a server port?

I have a Riseup account, but I just can't get the SMTP to work. I have tried all the tutorials, nothing. Neither Thunderbird nor Sylpheed work. Then I thought that my ISP might be blocking the ports ...
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0answers
124 views

Monitor TCP port in background as daemon

A little background: I'm in charge of a fairly old (10.04) web server that hosts lots of outdated, under-maintained sites running on out-of-date versions of platforms like WordPress, Drupal, and ...
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1answer
254 views

Trouble sending mail

I'm running Ubuntu 12.04.1 LTS. I know very little about Ubuntu but have the task of administering an Ubuntu server for our hospital intranet. The server is on a virtual machine running Moodle. Moodle ...
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1answer
764 views

Extract Error Which Is About Installing Pear Email Packages On Ubuntu 14.04 [closed]

I want to send e-mail with smtp send function in php. So that ı should install pear email packages.But When I install these packages on terminal I get an error.The error is about extracting .tar.gz ...
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1answer
446 views

Why can't I send emails from the command line to my gmail account

I'm using the command: echo "Test if email can be sent from server" | mail -s "Test" myaccount@gmail.com This is on an Ubuntu Server 12.04 completely up to date. To catch you up on my ...
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1answer
1k views

How does postfix send mail without smtp settings?

I am running vagrant. In it, I have Ubuntu 14.04 server and installed postfix. I am able to send email using sendmail someone@gmail.com (after typing in body etc.) This works. How is postfix able to ...
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62 views

Why am I getting a 451 Temporary Local Problem with my sSMTP/mailx setup?

I've attempted many times to use ssmtp to send mails from my 12.04 server to no avail. With the help of @fkraiem I've got some settings worked out but something is still wrong with my sSMTP setting. ...
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2answers
2k views

Sending Emails from existing SMTP host from Ubuntu Server

I feel like my problem is very simple, but I've been trying for quite some time and haven't cracked it. You experienced server guys will probably laugh at this, but I'm finally at the point I need ...
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1answer
47 views

Send e-mails from a server, preventing from being blocked by anti-spam [closed]

I have a domain that points to server A. There is an 'a' entry in the DNS table of this server pointing to a server B. My website visitors will see the page hosted in the server B, not A. MX entries ...
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137 views

Postfix 554 5.7.1

I have a Cloud instance of Ubuntu Server 10.04, Kernel ver. 2.6.32-363-ec2 (2.6.32-363.77). I am having quite an issue recieving email from other domains. I have been running test email from Gmail and ...
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1answer
414 views

evolution: sending e-mail from gmail system account

With last system update Evolution got Gmail integration through system online accounts, and it appeared along with my usual Evolution account for Gmail. I like integration, but when I turned usual ...
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1answer
232 views

Launching a python script in IDLE works but in terminal I get a SMTP instance has no attribute 'send_message' error

I have a script that results in an email being sent out with smtplib.SMTP python module. When I run it from within IDLE is sends fine with no error messages. I am trying various ways to automate it ...
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2answers
13k views

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 ...
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998 views

Postfix/SSL/Dovecote - can't send email

I know this looks similar to other questions on this forum, but they don't seem to be the same core problem as the one I'm experiencing. I'm running Ubunto 14.04 LTS, and I have postfix, dovecote ...
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2answers
474 views

Logwatch send email to @outlook.com

i just installed Logwatch and used this guid. But i can't get it to send emails.. I would like to send them to my @outlook.com adress, if possible. I can't seem to find any guid on google. Do I need ...
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6answers
5k views

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 ...
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1answer
259 views

postfix doesn't authenticate through /var/spool/postfix/var/run/saslauthd

I have a problem with postfix. I followed all description from https://help.ubuntu.com/community/Postfix. And it worked perfect except smtp authentication. I've suffered that mail.log always told ...
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2answers
258 views

Building a SMTP-server on ubuntu server

I was wondering if it is possible to build your own SMTP-server and if it is, then i would like to know how. I have 2 older pcs which i can use to do it. I wanna give this a go since i have a ...
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1answer
14k views

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 ...
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1answer
1k views

If you can send emails from server, but cannot configure desktop client, can you say SMTP is working?

This question is a somewhat prologue to a different question posted (here). As I can state that I can send email from my Ubuntu server (12.04) via Roundcube, perfectly. However, I cannot manage to ...
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1answer
124 views

Postfix SMTP-AUTH

On a VPS with Ubuntu 12.04 server, I have install and configure postfix. For the SMTP-AUTH I used the mail-stack-delivery package (previously packaged as dovecot-postfix). sudo apt-get install ...
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1answer
2k views

Can't set up IMAP on a working email server

I've been trying to set up my local mail server using this tutorial on my domain Mydomain.me. I got to the point where I can successfully receive mail send to my address but I can't set up an IMAP ...
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1answer
596 views

port 25 smtp port connection refused

I just settup my postfix on my VPS with the help of this guide: https://www.exratione.com/2012/05/a-mailserver-on-ubuntu-1204-postfix-dovecot-mysql/ Everything works, can send mails, recive it, etc ...
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2answers
2k views

Security issue with default Postfix's “Internet Site” settings

I want to install Postfix to send out email from localhost or/and relay email to external mail gateway (e.g. sendgrid). However, I do not want to receive mail using this machine, and I don't want to ...
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1answer
4k views

Postfix is timed out while sending

I have just set up postfix (with tasksel install mail-server) with the default settings. Unfortunately, I can not send e-mails from by SMTP server. Here is my main.cf: # See ...
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1answer
4k views

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 ...
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1answer
1k views

Postfix SMTP not available from external network

I'm trying to setup an SMTP server using Postfix. I already have virtual mailboxes and a Dovecot IMAP server running (and working). I can mail my@ema.il and see the mail coming in with an IMAP client. ...
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1answer
303 views

MTA questions about POSTFIX, outlook,,smtp, pop, etc

So this is a pretty noob question. I have a linux server that rocks postfix. We've been using it as our MTA for years. There are a few computers that run outook, one thunderbird, and a bunch of ...
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0answers
557 views

Mail Server: system requirements

I want to create a mail server for personal use. It will be used mainly by me and possibly some family members. The system load will be in the order of 5-10 IMAP mailboxes, all for "human" use: no ...
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1answer
1k views

How can I change EXIM4 config from warn on no reverse DNS to actively rejecting mails with no reverse DNS

By default EXIM4 only warns about mails with no reverse DNS. I need to block and actively reject mail which has no reverse DNS. I am willing to accept that it's possible that some legit mail will be ...
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1answer
779 views

How can I tell if port 465 is open for outbound traffic? [closed]

I have an Ubuntu 12.04 server set up on AWS EC2. I'm trying to configure Railo to use Simple Email Service (SES) via an SMTP call (see "Sending Email with the new SMTP Support for Amazon SES" for ...
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1answer
224 views

Can I setup an smtp server with Ubuntu Desktop?

I want to run an smtp server that will distribute email alerts from various servers.