Questions tagged [email]
The server configuration of email, including POP3, SMTP, IMAP, and popular server software packages that control email.
1,149
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Make my outgoing SPF records strict, and incoming policy lenient (postfix/dovecot)
I recently added an SPF record to my DNS records, so my email is less likely to be marked as spam.
My SPF record looks like this:
mpn.co. 86400 IN TXT "v=spf1 ip4:45.56.81.114 ip6:2600:...
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Cannot send email (smtp) - The server's password is out of date at the domain controller
I changed my host and not I cannot send emails from my program.
Here is the bug report. The support from Hostinger tried to help me but no success.
(Error Message) This is a demo bug report from ...
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Sieve filter that checks if email is a respond to an email of mine
I have a mail provider which allows me to upload sieve scripts to it. I would like to find out if it's possible to use sieve to make mailing lists subscriptions feel more like web based forums - where ...
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How to stop Backscatter (NDR) from spoofed Mail address?
some one is sending mails from a spoofed mail account from our domain ([email protected]) to hundreds, sometimes thousands of non existant russian E-Mail addresses.
The web hosts send out NDRs ...
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Abuse report for an email message from amazonses.com
I'm an AWS SES user.
I'm getting emails from [email protected]
with this message:
This is an email abuse report for an email message from amazonses.com
Based on this Why do I ...
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What are the ramifications of corrupted/lost index files in Dovecot's dbox storage format?
The Dovecot documentation for the dbox storage format gives a couple dire-sounding warnings about corrupted or lost index files:
One of the main reasons for dbox's high performance is that it uses ...
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Delivery Status Notifications not being retried
I was checking my ISP's Out of Office reply system and I found that although they sent a message to my server, because my server replied with a 4xx error code, the server did not attempt to re-deliver ...
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FreeBSD: system is sending mail for any user to an external smtp - why?
There is a problem with one of my jails. All Jails sending their mails for root to root, except one jail (nginx). This jail sends mails to [email protected]. My Postfix is configured to accept ...
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Phishing/Spam using old MX record for direct sending which is circumventing Mimecast
We've been using Mimecast for email security for a few months now and there's been a dozen or so incidents where the phish/spam senders have utilized the old MX records to send directly to our Office ...
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IMAP email not persisting read status and reply status - what could be the likely cause?
So I have the following setup:
IMAP mail from TransIP (a pretty big host in the Netherlands)
Thunderbird on my PC
Mail on IOS phone
Frequently when I'm reading emails on my PC they are being marked ...
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Forword incoming email to all existing emails via .qmail
Is it possible to forward incoming emails to all other email adresses on the server?
Let's say you have "[email protected]" and every employee shall also get the emails sent to this address.
(Not ...
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Exchange 2010 interprets display name incorrectly
I've been investigating an issue with emails showing up in outlook as first.name@ (without the email address), and it seems the email address is being sent as the display name like so
first.name@...
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yum-cron Job 'cron.daily' locked by another anacron
We have a number of machines using yum-cron and an internal mirror server to keep up-to-date. Some of them will send an email letting us know the updates will be (have been) applied but don't receive ...
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Sending mail with sendmail - not sending
I have apache2.4 web server with PHP on Debian server.
I noticed that my PHP mail() function doesn't send any mail. Looked at the spam folder as well.
I cleared all the mail logs on my server and ...
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Digital Signature is not valid
I recently received a digital signed email from a friend and the certificate is issued by COMODO RSA Client Authentication and Secure Email. My problem is the thunderbird detect it as a "Not Valid ...
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Postfix - External incoming mails with company domain
We use postfix as internal and external relay and Exchange inside the organization. Our company is receiving a lot of SPAM and phising mails whose Sender is our own company domain.
Searching Exchange ...
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Have DKIM and domain authorization/authentication setup but mail is still sent to spam. Why?
As the title states I have everything setup for my domain and sender email(s) as far as authorization and authentication in Amazon SES. Still, any emails sent from my domain are still being sent as ...
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Exchange Online: odd mail routing behavior
I'm migrating from Exchange 2010 to Office 365/Exchange Online for a client this weekend. We have setup a Cutover Migration that's been chugging along happily for weeks.
Currently, the MX records ...
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Will enabling non-delivery notifications cause more spam?
In the past we received a lot of spam email. The past year it was a lot less and we would like to keep it that way offcourse.
We are a construction company and we receive a lot of construction ...
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Postfix / Thunderbird / Cyrus SASL2: Username Or Password Invalid
I'm quite certain that I've entered my password correctly; that Thunderbird regards it as incorrect is I expect due to a Postfix or Cyrus SASL misconfiguration.
I am perpetually confused about eMail ...
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Gandi Domain Name to OVH web host: mails are not delivered
I recently moved a web site to a new web host (OVH), while keeping the same domain name (handled by Gandi for a while).
In the Gandi configuration panel I modified the name servers, so they point to ...
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What is wrong with this e-mail which is failing SPF(mailfrom) and DMARC?
This is a follow-up from "Why is my opendmarc failing pretty much everything that comes through?". I'm really struggling to understand what is going on.
Outgoing mail is verified correctly by the ...
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Postfix bounce when unable to validate TLS option
I'm using postfix as mail transfer agent on my mailgateway to send and receive emails.
Because I'm communicating with sensitive information I'm using the tls options to validate the receivers mx. He ...
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Server 2012 R2 SMTP service not sending mail to non TLS servers
We have SMTP virtual server on server 2012 R2 server. I have configured it to use TLS connection. We do have real sertificate etc. Everything works fine except mail that is going to mail server which ...
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Obtain Message Tracking Logs
All,
I need to determine if emails have been sent to an external address from our Exchange server. Unfortunately, there is no specific sender to target as there could be multiple people who sent ...
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Outbound Emails flagged as Spam from Wordpress but not Gmail(DKIM SPF issues)
I recently setup wordpress and pointed my domain to it. With that, we setup gsuite to handle email. We have the domain at godaddy and the server space on a VPS instance. I have added the MX records ...
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e-mail encryption during transfer
for the sake of simplicity i want to visualize the dangers of sending an unencrypted e-mail. I'm just not sure WHO can read unencrypted e-mails.
Lets say i'm using Office365 as mail provider and i ...
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Yahoo dkim=permerror (bad sig), gmail dkim=fail
We are using postfix(with opendkim) to send registration information from our site.
When the information sent to gmail it goes to inbox but it shows dkim=fail and in Yahoo it always goes to spam ...
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Convert a raw email message to plain text in linux
I'm in the cur folder of a maildir store.
I want to cat a message .. pipe it to a command .. and have the body of the message spit out. Simple.
Example:
If its a mime message .. and there is a ...
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postfix-Postfwd rate limit
I have total 4000 mail for an outgoing recipient and I want to send mail 2 mail every 1 minute. so I have configured postfwd.
#/etc/postfwd.cf
id=RATE01 ; action=rate($$recipient_domain/1/60/450 4.7....
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I'm able send email via Thunderbird, but not via my own app. The email settings are identical
I have my Postfix server. I can send email via it with no problem using Thunderbird. For smtp I have:
port - 587
Normal Password
STARTTLS
However, I can't send an email through the same server via ...
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Our email server is spammed with "Returned mail: see transcript for details"
We are running a fairly popular online service and since this morning our email inbox is spammed with emails like this "Returned mail: see transcript for details" by "MAILER-DAEMON@localhost....
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Why is my domain's email forwarding working really strangely?
This is a maddening problem that makes absolutely no sense to me, so I'm going to see if I can spell it out step by step and at least figure out WHERE the problem is.
I have a PHP form that sends an ...
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2
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442
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Set up email forwarders for domains hosted on AWS
I have a domain (example.com) hosted with a registrar that doesn't allow me to set-up email forwarders if I use my own nameservers. Since the website is hosted on AWS, I obviously have to use Amazon's ...
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mail ends in google spam folder while SPF pass, DKIM pass, DMARC pass
I am trying to send basic mail to a gmail user test and the mail ends up in the spam folder. I don't really understand why. I used to send through ubuntu sendmail, spent a lot of time setting up ...
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Exchange 2016 CU8 AdvancedDataGovernanceLogs
This is a fresh install of Exchange 2016 CU8 on windows server 2016 standard.
Driver letters:
C: OS
D: Exchange 2016 CU8 ISO (mounted)
After Exchange 2016 CU8 install, the ISO was dismounted and I ...
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Trying to break an exim mail loop
One of our servers is getting stuck in mail loops with exim. It looks like it started with cron jobs that all send their email to "[email protected]". This hits a mail relay server somewhere else in ...
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AD Connect changed primary SMTP on O365 - how to fix it?
I've got a problem with AD Connect working in one of our customers systems. We first configured O365 and Exchange Online, then connected AD with AAD with AD Connect. when we did that, the local AD ...
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Error in sending mail from server
i have a Centos 7 VPS with Exim installed. I am not receiving email from server because of the following error:
2018-01-06 15:50:06 1eXqjW-0000hE-7v Sender identification U=mailnull D=-system- S=...
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Postfix/Dovecot: Thunderbird can't move to sent
I have a small mail server set up using postfix and dovecot. All is well; I have proper certificates, multiple isolated users, etc.
However, when sending a message from Thunderbird I get an error: "...
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Server returned '450 4.4.316 Connection refused [Message=Socket error code 10061]
I have several postfix mail servers running on Debian having the same problem. Therefore I've built a test server, which will be destroyed once the problem is solved.
The error message I receive from ...
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Exchange 2016 move to new server
Quick disclaimer - this is still a test server, so there is no loss to production, just a delay. I'm way out of my depth, and I'm lucky to be in this position to learn, but I'm really not the sysadmin ...
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Postfix Centos7
I have 2 domains used hosted in same server.
Eg: Domain A and Domain B
Domain A used Google Apps mail server
Domain B used server email(using postfix)
I can send email from Domain B to gmail ...
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end user cannot email particular person from outlook, but I can - NDR received, address no longer valid
I have an issue that has me really scratching my head.
A user for one of the customers we support is trying to send an email to [email protected] from outlook.
Before she even hits send, a ...
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DMARC and RFC2298 compliant MDNs with a null MailFrom... Can it work?
This is an issue we're seeing with Exchange Online but it would be an issue with most hosted email I suspect. When Office 365 / Exchange Online sends an automatic reply (Out of Office for example) it ...
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Is it possible to restrict sending e-mails to virtual users only?
I am on Ubuntu 14.04 and using postfix. I want to block outgoing e-mail from unix users and only allow from authenticated virtual users (that I can manage via a back-office).
Is there any way to do ...
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how to create no-reply mail?
in my php-script I use phpmailer for sending e-mails, I entered the SMTP-logins and set "setFrom" [email protected] - but the message don't get sent, mail.log says :
Sender address rejected: not ...
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Legal Discovery - how to search .eml files for keywords and copy the results to another folder on macOS/Unix?
I've got a Kerio Connect mail server that saves all of it's emails in a relatively standard mail spool folder structure as raw .eml files. I've been tasked with performing a keyword search against ...
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How to setup a Ubuntu mail server that accepts any emails from *@*.ca and forwards them to an external email address?
I'm trying to setup a small Ubuntu server that would accept basically any emails and would forward all of them to the email address of my choice.
I did some research and I think it would be possible ...
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Cannot send emails with STMP Postfix on port 587?
I have followed this guide line by line: https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql
Finally got emails to be received but I cannot send them and all I get is ...
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