Simple Mail Transfer Protocol is the protocol used for sending email.

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The attachment name in email spreads multiple lines and results in wrong attachment?

The application uses .NET SMTP client to send emails. Sometimes, when attaching pdf to the email, the email gets corrupted. The attachment is not a pdf but a raw text file. here's the 1st few lines of ...
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8 views

Adding POP3/SMTP to iPod 8.1 [migrated]

My daughter was using my old iPod Version 6.1.3/Model MC54LL/A, and Santa just brought her her own iPod Version 8.1/ModelPD717LL/A. I had her email going to my old iPod. It is going through my own ...
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15 views

Is there a way to have multiple SMTP sending services configured in WHM?

I have WHM installed on my server and I have Mandrill setup to handle all mail requests. Right now all the mail runs through that SMTP server. Is there a way to take a domain on the server, ...
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24 views

macosx: How to unblock SMTP port?

In /var/log/mail.log I see runs of time-out errors in quick succession, like this Dec 13 15:50:31 myserver postfix/smtp[2911]: connect to alt2.gmail-smtp-in.l.google.com[74.125.138.26]:25: Operation ...
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11 views

How to set up a sendmail relay using HP-UX 11.x

I need to setup and HP-UX 11.23 system as a mail relay to collect mail from other internal HP-UX servers and relay them to the MS Excahnge operated smtp relay for delivering internet bound mail to the ...
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50 views

Connecting Brother MFC-L2740DW to SMTP via SSL

Its very frustrating to see that I bought this MFC-L2740DW just a few weeks ago and its 2014 released printer with AirPrint support. I'm not able to activate a feature called 'scan to email server', ...
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8 views

msmtp complains no auth method found

msmtp output: <-- 220 example.com ESMTP Postfix (Ubuntu) --> EHLO example.com <-- 250-schemacs.com <-- 250-PIPELINING <-- 250-SIZE 10240000 <-- 250-VRFY <-- 250-ETRN <-- ...
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19 views

Moved to Office 365, want to use SBS exchange as SMTP relay

I've recently setup an Exchange Online subscription with Office 365 - for all the benefits of cloud email in a small business. My onsite server is Windows SBS 2011. My problem is that my internal ...
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2answers
58 views

How to use unencrypted SMTP/POP3 to connect to Outlook.com, Gmail or other email services?

My new multifunction printer only works with unencrypted SMTP and POP3 (so 90's!), but most of the popular email services such as Outlook.com and Gmail only support encrypted SMTP and POP3. Is there a ...
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29 views

Mail Enable: mail server requires authentication when attempting to send to non-local users

I get this error: Bad sequence of commands. The server response was: This mail server requires authentication when attempting to send to a non-local e-mail address. Please check your mail client ...
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35 views

Multiple postfix instances one host

I have a server on which i need to add setup a second postfix configuration to send e-mail (doesn't have to receive) that's being sent in from a PHP web application that's hosted on the server aswell. ...
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1answer
64 views

SMTP fails using Thunderbird after dropping Comcast, installing CenturyLink

On two Windows 7 PC's, an Android tablet, and Android phone, a dozen email accounts have been working fine for many years. I disconnected Comcast and installed CenturyLink service using Actiontec ...
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68 views

Postfix SMTP message being marked as SPAM by Gmail and Yahoo

I'm having a problem getting my low-volume of legitimate email messages through the SPAM filters of Gmail and Yahoo. I have followed Gmail's guide here: https://support.google.com/mail/answer/81126 ...
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47 views

Able to receive, but not send email over SMTP from VPS. I don't think I'm being blacklisted

The error I get is "421 Downstream server error" or something similar. Up until a few days ago I could send mail without any trouble. I've searched around, and most other people with this problem end ...
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196 views

Why does postfix give “lost connection after EHLO” error when Gmail tries to connect to my SMTP server?

I'm trying to setup my gmail account so that I can send emails that appear to come from another email address I own (myuser@mydomain.com). Instructions to do so are here. When I try to do it, it ...
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1answer
29 views

How does email routing work?

I want to understand how email routing works. Lets say I am trying to send a message to someone @gmail.com. According to my current understanding, the following steps happen: DNS MX query on ...
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2answers
63 views

How to deal with mail senders failing on STARTTLS?

I try to use my mail server richtercloud.de for subscriptions to vger.kernel.org mailing lists. I set up postfix 2.11 running on Ubuntu 14.04 and sending and reception works. I set up postfix to ...
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1answer
23 views

What does `!+local_domains` in router specifications of exim4 config file mean?

Following several tutorials on how to configure exim4 (e.g. http://www.datadisk.org.uk/html_docs/exim/routers.htm) I started wondering what a good explanation for !+local_domains in the specification ...
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1answer
694 views

Workaround for adding forward addresses to Gmail as aliases

I went to add an alias to a forwarded address (managed by GoDaddy, ie myemail@mydomain.com) in Gmail, and I noticed that Google changed their system. In the past, after you entered the name and email ...
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15 views

How to add new 'From' email id each time sending email using PostFix server

I am new to PostFix and have setup PostFix as a server recently. In the testing, PostFix is working fine and relaying the emails with 'From' email address stored in the PostFix credentials files likes ...
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1answer
110 views

How to ask for return receipt and set importance in Mutt?

I would like to be able to ask for a return receipt and set importance levels in emails when I am sending emails from Mutt (using Mutt Smtp sender). I can not find a way online, maybe not doing the ...
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173 views

Spam filtering on a VPS at SMTP using WHM

CENTOS 5.10 i686 xenpv – server WHM 11.44.1 (build 18) I am addressing this problem: I have a VPS set up as MX for several of my domains. The e-mail for these domains are just aliases to other mail ...
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63 views

dovecot WILDCARD SSL (certicate.crt, private.key, intermediate.crt) not working

I have installed dovecot and postfix and got it working, but when I change the ssl_cert_file, ssl_key_file and ssl_ca_file dovecot configuration to my WILDCARD SSL certificate (working on apache) it ...
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21 views

Postfix not working with non self signed SSL Certificate

I have installed postfix and generated a self signed SSL certificate, it was working, then, I tried to configure it to use my WILDCARD ssl Certificate that is configured to apache2. Then I started ...
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1answer
98 views

How to get my email to send from outlook after switching to Frontier service provider

I have recently moved to a new location and brought my computer with me, naturally. I purchased internet service through Frontier and figured that my POP email on Outlook, through secureserver.net, ...
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1answer
358 views

Can't send mail with Apple Mail with Outlook.com due to SMTP

To preface, I know for a fact that the password I am using is correct as per outlook.com's instructions and every tutorial I can get my hands on. It should be my password I use to enter the account, ...
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24 views

SMTP proxy to investigate outgoing e-mails not being sent?

For some reason, using the same e-mail account that works the rest of the time, some outgoing e-mails aren't being sent by my ISP's SMTP server: Error reading from network Cause: Eudora got tired ...
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71 views

Email Issue - “On Behalf Of Blackhole”

I am experiencing an odd email issue that I haven't been able to find any answers to. I have a Ubuntu server setup with postfix that uses mailgun to send emails. I'm not using the mailgun API, just ...
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1answer
176 views

Linux/Postfix with relay: I can openssl to relay host on port 465, but postfix does not seem to connect

This looks like a tough one to me: I'm configuring postfix on my local home server running ubuntu server 14.04 LTS I was able to send outgoing mail through my relayhost on port 26, everything worked ...
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41 views

Email Recepient Limit

I was wondering whether there is a recipient limit imposed on a single email? I mean how many email addresses can a single email have. I particularly interested in the BCC. I currently use SMTP over ...
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3k views

How to send mail from a Windows batch file

I want to send a mail from a Windows batch file. Here is my code: blat test.log -server smtp.gmx.com -to dest@gmail.com -f address@gmail.com -s "test mail" -u "address@gmail.com" -pw "password" ...
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919 views

IP address of the SMTP GMAIL

would you know what is the IP address of the SMTP GMAIL (It allows you to send mail from a batch windows) @echo off set repertoire="C:\Mon repertoire\" set emetteur=email.emmeteur@domaine.com set ...
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1answer
2k views

Postfix Relay Access Denied When Sending To Gmail With Telnet

I have postfix and dovecot setup to deal with mail for my domain. imap appears to work ok when reading local mail but when i try to send an email using telnet with localhost and the smtp port it gives ...
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1answer
336 views

Printer unable to use Gmail SMTP server

I've been following this Google Apps support page to be able to set up scan-to-email using the Gmail SMTP server. The printer is a Samsung CLX-6260 FW. I've configured it with the following ...
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49 views

How can I install a mail server on my server that Quick Books can use for invoice email

I am working at a company that uses Quick Books online. Quick Books needs access to a mail server so that it can sent invoices to our customers. Our old website was hosted at GoDaddy along with our ...
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2answers
754 views

How to send out emails without using SMTP from server?

I'm trying to write a scheduled job that will send out email with attachments after exporting a set of data from the database to a group of users. The job will be hosted on the server. I need ...
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1answer
984 views

Can't send email using mail on cmd line but can using telnet smtp commands

On a ubuntu system I have installed postfix and set relayhost and mynetworks in /etc/postfix/main.cf config file. I can now telnet to port 25 on this server and send an email by issuing the SMTP ...
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50 views

Automating SMTP Configuration

The following is an excerpt from a series of instructions I am following as a list of company procedures they would like me to automate. Is the following achievable through command line/batch, and if ...
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27 views

How to configure sSMTP with CSF?

I have a fresh installation of Debian and I just installed Config Server Firewall (CSF) and sSMTP (with Gmail as SMTP server). Does anyone know how can I tell CSF to use sSMTP when it's sending ...
0
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1answer
476 views

How To Upgrade Pear To Send Email With Smtp send() Function In PHP

I want to send e-mail on ubuntu 14.04 with smtp php. But I can't send e-mail because smtp-->send function doesn't work. So that I decided to install pear mail packages. But when ı want to install php ...
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953 views

Sendmail Deferred: Connection timed out

I got the following "Connection timed out" errors from some of the email servers, like google: $ tail -1 /var/log/mail.log Jun 15 15:55:52 coral sm-mta[9924]: s5FAo29p007675: to=<me@gmail.com>, ...
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395 views

What is the limit for addresses in BCC in sendgrid using Outlook?

I want to send out a marketing email to a little over 11,000 email addrresses using Outlook 2007 (could also be 2010) on an account configured to use the SendGrid SMTP server. what is the limit to the ...
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1answer
85 views

Send an email whenever file is deleted from shared folder in windows 7

I am running a software on several computers at my workplace and the software can run different audio and video files stored on a shared folder in a central computer. The software runs on windows 7 ...
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1k views

Telnet to Gmail SMTP server timeout

I'm doing some testing of SMTP servers. I want to see the capabilities returned by the server in response to a EHLO. Gmail is timing out for SMTP: $ dig gmail.com mx ; <<>> DiG 9.8.5-P1 ...
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1answer
24 views

Exchange 2003 tracing spam origin, so frustrating

I have been trying to sort out this one server for over a week. It had backscatter problems due to low security settings on the Exchange. I followed a few guides to disable the NDR issues, changed all ...
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3answers
216 views

Why mail clients do not use directly the SMTP server of recipient

Normally in a email client you need to configure an SMTP server to use to send mails. When you send a mail, your configured SMTP server simply resolve the domain after the @at in the email address of ...
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1answer
117 views

How does SMTPSVC on Hotmail set hostname in SMTP header?

The daily spam to my Hotmail-account today contained a message with a forged sender addresssuspicious enough for me to check the SMTP header. The only "Received" entry was: Received: from grogrol ...
3
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1answer
192 views

SMTP on internal network

We a have a Qnap which uses the internal network. We would like to setup Qnap to send on notification emails to an internal smtp server something like 192.168.123.... which is connected to internet ...
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1answer
776 views

Can't send email to the internet from Postfix mail server. (Relay access denied)

I have a mail server running Postfix in my LAN with which I can send and receive emails in my LAN and send from the WAN to the LAN. I can't send from the LAN to the WAN though. I am trying to use my ...
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180 views

Configuring Postfix as SMTP relay (only)

I have a Postfix 2.5.1 on a Debian 4.0 PPC server. I intend to use this as an SMTP relay for outgoing email from my mobile phone (as my phone service provider recently dropped their SMTP server). The ...