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

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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
108 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 v-...
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1answer
291 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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87 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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3k 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
732 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 smtp.live....
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91 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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37 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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38 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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12 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
97 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
157 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 ...
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1answer
84 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
3k 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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94 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 username@...
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1answer
58 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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741 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 ...
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2answers
715 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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18 views

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

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
159 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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115 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 = pcre:/etc/postfix/whitelist....
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1answer
1k views

Outlook 2013 cannot send email (“Message rejected under suspicion of SPAM”, error 554)

I have been using a POP3 account in Outlook 2013 to download and send email for some time without any problem. Recently I have setup a new POP3 account and am having difficulty sending email. The ...
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19 views

How to switch incoming & outgoing mail servers in Postbox Express after switching hosts?

I recently had all my websites switched over to another host. I have e-mails associated with each website, and I'm using Postbox Express. You'd think it would be easy, but for the life of me, I ...
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940 views

smtps service not found/“warning: connect to transport private/smtps: No such file or directory”

I'm trying to access an SMTP smarthost example.com using TLS via port 465 by adding smtps inet n - n - - smtpd -o smtpd_tls_wrappermode=yes -o ...
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1answer
289 views

How turn on SMTP Authentication?

How turn on SMTP Authentication? When I try to send a email from an email registered in my mail server (example@mydomain.com) to my icloud email (@icloud.com) I receive this back: Mail from IP (...
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864 views

Setting up php to send email through IIS

I have a wordpress site on my Windows 2012 R2 IIS server. I have installed SMTP. These are the setting I've done in php.ini: [mail function] ; For Win32 only. ; http://php.net/smtp SMTP = localhost ;...
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1answer
342 views

debugging a curl request / what would be the curl request to test whether a given username / password is working against a speciific smtp server

I have a customer using a specific app that uses secure smtp to connect for outgoing email. I have a suspicion that it somehow got changed (whether by them or by the hosting provider is irrelevant). I ...
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1answer
51 views

AT&T's SMTP to SMS increments sender address

I have a service that delivers updates to users through various carriers SMTP APIs, for example for Sprint we e-mail 1123456789@messaging.sprintpcs.com and then the owner of the number 1123456789 ...
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1answer
1k views

Unable to send email via any of SMTP servers using an IP camera, why?

I'm trying to setup Mail Settings on my IP Camera, but none of the SMTP servers seem to work, and this is only happening when it's connected on my DSL connection! Otherwise it works great on my cable ...
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2answers
499 views

Can an email delivery silently fail?

Can an email delivery silently fail ever, with the sender receiving no notification whatsoever about the failed delivery? Specifically, can silent delivery failures occur for mail sent to a Gmail ...
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1answer
44 views

Postfix / Dovecot Mail appears in logs, but not in its respective folder

I'm currently trying to set up Postfix with Dovecot, but something does not seem to work the way it should be. For some reason, mails I sent to my mail account appear in the logs, but do not become ...
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1answer
360 views

Use AWS EC2 to redirect incoming mail

Is it possible to setup an EC2 instance as a mail server and relay incoming mail to my domain to my in-house server on a different port than port 25? Right now I use rollernet.us for this. Which ...
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1answer
474 views

How do I find out if a printer is scan to email compatible with Office 365?

I have a Toshiba e Studio 282 that previously had scan to email going through an Exchange server. The Exchange server was decommissioned and the company got Office 365 instead. I tried inputting the ...
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1answer
3k views

postfix - warning: connect to transport private/smtp: Connection refused

I have been having trouble with my postfix+dovecot mailserver. Every time I try to send an email to a different server (gmail etc.) I get the following messages in the log: postfix/qmgr[28918]: ...
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1answer
1k views

What Exchange permissions are given to each receive connector? (Bypass SPAM, etc)

Exchange has a list of permissions that are assigned to each connector based on the checkbox selection below. Here are an example of some SMTP headers that are used internally (in routing) to ...
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121 views

Invalid hostname in HELO sent by MUA

I have a mail server running exim4 with an ACL that drops the smtp session if the hostname in HELO is an IP address. Exim is configured to do the reverse dns check. The said ACL is the very first one ...
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86 views

Conditional relay with credential based on domain recipient?

I use postfix to send email directly, but sometimes outlook.com won't deliver my business email messages. After changing the SPF record, the delivery succeeded, but goes to the recipient's Spam ...
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1answer
98 views

custom domain email forwarding catchall recovery [closed]

In short, I'm trying to restore mailflow for a free domain I setup with unonic. (3 technically) They worked fine for about a year. *@example.tld would all forward to my@personal.email. January 6th, ...
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52 views

How to investigate for mail not sent/received

I've got a classic ASP page that sends emails to registered users. From one month to date, some users which have their emails on 3 specific domains, are not receiving emails. Some others with their ...
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1answer
506 views

send mail through msmtp

I've been trying to send mail with msmtp with no success Configuration file: ~/.msmtprc defaults auth on tls on tls_trust_file /etc/ssl/certs/ca-bundle.crt logfile ~/....
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257 views

550-Please deliver mail to the address specified in the MX records for this 550 domain

I have a PHP script which emails the results of a form to a specified address. Previously it was working fine but now it's not sending email anymore. When I check the error log, I see this error: ...
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1answer
1k views

552 This message is not RFC 2822 compliant [smtp-07.iol.local; LIB_670]

I have had autoresponder emails set up for a while already, and suddenly I get the following message as undelivered. I only got this one time, so it seems not to be a general problem. I checked RFC ...
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2answers
85 views

What have I done wrong with my Postfix config?

My mailserver has been sending emails fine and dandily to newsletter subscribers via the Mandrill app, but I have not been receiving emails on the domains I want, I only want mails to go to the user ...
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1answer
2k views

Email not being sent from Moodle [closed]

I’m using Moodle where I allow user to register themselves, after which an email is sent to them. However, when user are registering, the email is not being sent and I’m getting the error: Tried ...
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506 views

Postfix - SMTP mail delivery failed with “Connection timed out” error

I have installed postfix mail server in ubuntu machine. I am facing some issues with the mail sending to other domain mail servers (Google, Yahoo, Outlook...). I am using virtual domain to send the ...
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348 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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0answers
290 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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1answer
1k 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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3answers
1k 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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0answers
109 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. ...