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

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Google IMAP Login

I am trying to setup Outlook 2016 with my Google Account (Because I hate using Inbox for my emails and cannot get away from Google's stronghold). Now I have 2 Step Authentication enabled for my ...
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26 views

How can I send e-mail from telnet from my smartphone? [on hold]

I have postfix installed and running in my PC. What I want is to send email by my smartphone through telnet. In telnet I put the IP adress from my PC. The message I've got is: Error while connecting ...
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8 views

Roundcube not sending email via smtps

I am running Roundcube 1.1.4 on Debian Jessie - it all works OK apart from sending emails via my SMTPS server (which normally works OK). I use self-signed certificates. No additional Roundcube plugins ...
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8 views

External mail from windows get rejected, local mail works

I have linux server with working SMTP server (postfix)... (I can send emails to gmail when connected to it via ssh) But if I send through bmail in Windows i get this in linux mailq: BB986640FC9 ...
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18 views

CentOS - Postfix rejects incoming mails

I have VPS with Centos 6 with Postfix, Exim and Dovecot. When I try to send mail from GMail to mail account from my server I receive following error in /var/log/maillog: Feb 3 13:36:29 mobilepro ...
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1answer
22 views

Giving each domain unique IPV6 address for posfix SMTP

Today I faced a problem after setting up postfix as my mailserver and sending e-mail to a gmail email, which responded me with the following message: Our system has detected that this ...
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0answers
14 views

Cisco ASA 5505 Syslog notifications Email setup

First of all, sorry for my bad english, I hope you will understand me. Iam using a Cisco ASA 5505 as my firewall and would like to setup syslog notifications when there is an error, to my Email. The ...
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2answers
33 views

Can't telnet into mail server

I have a machine running CentOS. From that machine I can't telnet into a mail server. From my local machine I can do the following command: telnet mailserver.com 25 From there I can't send emails ...
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11 views

Who should sign mail with Dkim?

I have an exchange server configured to use an external smarthost to send email. If I want to complete my messages with DKIM signature should it set to my Exchage server o may I ask to my provider ...
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0answers
18 views

postfix to send email from a client

I own a domain company.com. All employees in company have gmail accounts. The domain registrar already provides email forwarding, so if I were to send something to bob@company.com, it would be ...
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5 views

SMTP cache / proxy server for server fault protection

I am trying to find something that I would install on a dedicated server that would receive SMTP requests. This software would send theses requests to my STMP server, but if the server is not online, ...
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1answer
30 views

Multiple servers on one hardware?

I have built a website and have a domain. I want to host the site on my home server. I would like to set up email like an smtp server. Can I host my site and the smtp on the same hardware? If so, what ...
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1answer
16 views

Find out SMTP of organization o365 Outlook

I have been wondering how to find a SMTP host on an Organization/School Office 365 account. This is because "Mail Flow" blocks any messages to GMail, Hotmail, Yahoo, etc. If I can set up a program ...
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14 views

Mails from webmail ends in gmail spam - can I use smtp?

I finally managed to setup my cPanel mails so that I can send from SMTP and get the mail delivered (even on Gmail, yay!) However, every time I send from one of the webmail clients ...
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0answers
23 views

git-send-email Causes “Must issue a STARTTLS command first” Error

I am attempting to send a patch with git-send-email through my Postfix mail server. Unfortunately, whenever I do, I just get this error spat back to me: <recipient@example.com>: host ...
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6answers
6k views

Why do I need an SMTP server?

Why do I need an intermediate SMTP server to send mail? Why can’t my client (Outlook, Thunderbird) send messages directly to the recipient’s SMTP domain? For example, if I have to send an email to ...
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0answers
34 views

How to pass through credentials in SMTP proxy with Postfix

I want Postfix to proxy SMTP connections from MUA on my client to another outer SMTP server. Since the outer SMTP server requires the Postfix proxy to authenticate with SMTP-AUTH, So I set my MUA's ...
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1answer
25 views

Reject all Microsoft Office attachments

I have had enough of spam coming to my server with Microsoft Office attachments. No one I care about ever sends me Microsoft Office documents so I would like to reject (with a polite message) all ...
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26 views

Spam Gets Past Gmail Server's Authentication

Below is one spam example I received today in Gmail. The authentication referred to means that a username and password (to use Google's server) were correctly provided by 110.2.164.153 at some point ...
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2answers
31 views

How to keep messages from previous Thunderbird email account?

I had an email account on first hosting server with its IMAP and SMTP. The server has been cracked and now I couldn't read emails from it. I moved my doamin to another hosting server with another ...
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0answers
37 views

Just want to send email from my Windows Server 2012, what simple SMTP server to use

I'm trying to configure SMTP on my window server 2012. I do the same as mention here (http://www.vsysad.com/2014/09/setup-and-configure-smtp-server-on-windows-server-2012/). I am trying to send test ...
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1answer
61 views

Simple mail send on Ubuntu

I have been struggling with mail function in Ubuntu. My goal is to send a test email from a terminal with a command: echo "msg" | mail -s subject sample@domain.com. I have tried to install ...
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0answers
25 views

Application mail relay vs SMTP

I'm new to this technology and I wanted to understand how application mail relay differs from SMTP. What are the requisites in order to replace SMTP with AMR in an Intranet environment ? Regards
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1answer
166 views

Which of the following protocols can use multiple TCP connections between the same client and the server?

In one of the pairs of protocols given below , both the protocols can use multiple TCP connections between the same client and the server. Which one is that? HTTP, FTP HTTP, TELNET ...
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1answer
36 views

managing port 25 in windows 8.1 home and cable modem [closed]

A cable modem has port 25 blocked. Two computers are on the local wifi network managed by the cable modem. One computer is a windows 8.1 machine that sends and receives email using tools like ...
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1answer
269 views

Why can I authenticate to my gmail account neither from my printer, nor from my manually configured mail user agent?

I'm trying to set up a print that will send its scans by email. I created a gmail account specifically for the purpose. However no matter which way I configure the SMTP settings, I cannot get it to ...
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0answers
55 views

ssmtp error 501: Could not decode user and password

Im trying to send email from cron via ssmtp but get the error: Authorization failed (501 Could not decode user and password) ssmtp.conf: root=mail@mydomainname.com mailhub=smtp.zoho.com:465 ...
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2answers
49 views

Troubleshoot the reason for SMTP

'm unable to send the emails from my server, nagios.emoney.com, to relay host with smtp protocol. I took tcpdump towards, v-smtpgw5.ka.kasnova.net cmsmtp, and foudn the following ERROR:- 220 ...
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1answer
130 views

Connect to Email Server through VPN

So I'm trying to connect to an email server with a username and password but the only information I have is the user / pass and: PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 80/tcp ...
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0answers
65 views

Identify log file for SMTP that would indicate email sending errors

Some of our applications are sending emails via the local SMTP servers. If this local SMTP server was unable to deliver an email, we need to make sure an error is logged. Perform the necessary ...
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0answers
768 views

How to setup scan to email (without computer) for Brother Printer MFC 7860 DW

I have Brother Printer MFC 7860 DW and I want to scan documents from its scanner and send the scan directly to given email address, without using the computer again after setting up everything. I ...
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1answer
385 views

Thunderbird can't send emails - SMTP error

I've been using Thunderbird for a while now and for some reason, when trying to send emails via Thunderbird in a Outlook/Hotmail account, this error message is displayed: "Login to server ...
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0answers
58 views

SMTP from gmail webclient and sent folder

I want to manage my personal (gmail account) and company mail accounts (not a gmail account) together from my gmail webclient. I know gmail has no support to configure IMAP accounts for external ...
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0answers
34 views

Incorrect password on latest version, works on ESR, msmtp doesn't work

I can't login to my work mail server using the latest Thunderbird version (38.2.0), but it works with the ESR 17.0.11 version. The message that I get is something like "incorrect username or password" ...
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0answers
37 views

Cannot connect to specific mail-provider (IMAP/SMTP/CalDAV) on specific local account

I cannot connect to a specific mail provider using Apple's Mail (IMAP/SMTP), Calendar (CalDAV) and so on (Internet Accounts) on OS X 10.10.4. On trying to connect, I'm asked for my password which is ...
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0answers
9 views

Php mail not recieving

My issue is php mails aren't being received. so I have WHMCS on a server here and I am using WHMCS for service & client management but is only allowed on our company network so it won't be ...
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2answers
85 views

How can I find the name of an MSA server if all I have is the domain name?

Edit (it wasn't clear what I was asking): I wanted to send email to my Verizon address by submitting it from my home network to the Verizon MSA. So my question was: how can I find the name of an MSA ...
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1answer
110 views

Sending Mail on Windows 2008 R2

I have a single server, no AD installed, and I use it to allow my customers to connect via Remote Desktop and run a custom application. I've got a feature in the application that will send a report ...
0
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1answer
38 views

Allowing emails on iptables

I am trying to configure my iptables firewall (currently rejecting all traffic) to allow emails traffic. For SMTP port 465 is used (SMTPS port), and for IMAP it uses port 143. But whatever I try, I ...
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2answers
1k views

Why sending Mail with Apple Mail takes too long

There is a issue with sending mails through Apple Mail (ver 8.2) every time I try to sending mail. The SMTP Part works fast, after a few seconds the Recipient get the mail but in Apple mail the ...
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0answers
52 views

Postfix - Alias users SMTP login

I have a postfix mail server, and am looking for a way for aliases to send mail. For example, I have the user alias@example.com which redirects to myemail@gmail.com defined in my mysql mail_aliases ...
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68 views

Want to send automatic mails from email server, That To addres has to read from email that i received.?

I want to send multiple mail automatically. I will receive mail as FROM: abc@domain1.com TO: 123@domain2.com BODY: mail contains (username@domain3.com) What I want to is take the ...
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1answer
41 views

BAT - cannot send emails

THE SITUATION: I am using BAT software to send and receive emails. Everything was working fine, until i moved two days ago to Turkey (in Italy and Latvia everything was working as expected). Since ...
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0answers
414 views

Port Forwarding SMTP on Vagrant Box

I'm trying to set up a basic postfix server on my local vagrant virtual machine. I followed this tutorial and then telnetted into the server to send a test email, from this document. When I try to ...
0
votes
2answers
435 views

How to force Lotus Notes client to use “Internet mail address' setting in Location properties as ”From' and 'Reply To' field when using SMTP?

I previously worked in a company where we used Lotus Notes (8.5.3) for mail and other shared databases. Now our team became a Distributor of that company, and the full functionality of Lotus Notes was ...
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14 views

MS Exchange — How to send authenticated email as same email for public folder

Is it possible to create an authenticated MSExchange user that can send email on behalf of any other user in the system (public folder emails as well) without configuring it on a user-alias basis? If ...
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0answers
23 views

Make mutt save outgoing mail to a specific directory when SMTP sending fails

I have mutt configured to sent mails via SMTP. Sometimes it fails sending, either because of a poor wifi connection, or when I mistype the To: address (seems to me). The failure in itself is not so ...
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0answers
93 views

Prevent Fake E-Mails with Postfix

I have a secure and almost-properly-configured SMTP/Dovecot server running, but I do have a problem. As it's currently set up, anyone (who has valid credentials) can send e-mail from any address in ...
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0answers
403 views

Relay access denied (in reply to RCPT TO command) Postfix Issue

I am trying to configure my server for email taking reference form this link: koray.me/smtp-relaying-outgoing-mail-in-postfix-using-webmin. I used Mandrill smtp server in my case. I have also ...
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0answers
66 views

make postfix bypass amavis completely for specific domains

I want the postfix agent to bybass the amavis scanner for all mails from and to a specific domain. So, i added the following line to /etc/postfix/main.cf header_checks = ...