Questions tagged [mailing-list]

An (electronic) mailing list is a distributor of mails to a large group of subscribers, one possible type of a digital forum. It's often used by software developers and administrators for communication among themselves and by organizations and corporations for newsletters (in one direction only).

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22 views

A business email puzzle: Can you combine gmail for staff emails, with another server for a larger-volume sendgrid emails?

We use Google for Business for our staff emails. But we also want to send out automated emails as part of a web-app. Gmail limits the number of emails you can send with a cap (a few hundred a day?), ...
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How to configure postfix for sender_access restrictions only for certain destination address

I would like to setup a mail bouncer for a group of people. A sort of simple mailing list. The server is running postfix. When people email group@example.com, their mail is sent to a number of ...
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Google Groups - allow external posters as an owner of the group

As an owner of the group, is there any way I could allow external posters? Checking the official doc https://gsuiteupdates.googleblog.com/2018/06/configure-your-google-groups-settings.html It keeps ...
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List-Unsubscribe as defined in RFC 2369

Odoo (v11 that I use) does not support RFC 2369. My question: How can I add unsubscribe link with both the email and the http links? ==================================================================...
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Mailing list “To:” field at destination no longer shows all recipients

When a mail is sent to a mailing list and contains other recipients in the To: as well as Cc: fields, the list members receiving the mail cannot see who else was specified in the To: field. The Cc: ...
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1answer
275 views

Flask WSGI vs Nginx/Gunicorn: mailing list works in dev but not production

I have deployed a Flask web app to a Digital Ocean droplet running Ubuntu 18.04. The web app is simply a landing page that has a single form that adds a visitor's email address to a Mailchimp mailing ...
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1 email with many BCC or many emails with 1 recipient each?

Contexte: wordpress mailing list, private hosted postfix server, ~1K recipients. Question: Should I send one mail for each recipient or a single mail with all recipients in BCC ? What is good ...
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1answer
439 views

Disable DKIM in exim for mailing lists

I am subscribed to a number of mailing lists that don't remove my DKIM signature but mutate messages (change From) and add their own DKIM. Resulting messages have 2 DKIM signatures, one failing and ...
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How to properly configure a mailing list server to be SPF friendly?

UPDATE: The SPF record I have in DNS for domain mailinglist.com: mailinglist.com. 3600 IN TXT "v=spf1 mx ptr include:gateway.com ?all" UPDATE2: The From:, Reply-To:, Sender: and Return-Path:...
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541 views

ISPConfig/postfix mail forward fails for one address only

We are running a postfix mail server under ISPConfig 3.0.5.4p8. The host machine is running Debian stretch. We have successfully set up several mail forwarding instances. However, one particular ...
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423 views

Mailman not integrating with postfix properly

I installed postfix on my local machine and able to send mails to local users i.e. shivams in my case which is username of the account. Also i am able to send mail outside of my machine for ex. gmail....
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364 views

Delete user from Sympa mailing list

So I have been trying to remove a user from one of our Sympa mailing lists, and can't for the life of me get it to stick. I have deleted the entry for the user under /var/sympa/lists/listname/...
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How do I stop spam sent to mailing list posters by a list subscriber?

I administer a few moderate traffic mailing lists. I'm starting to get reports from list members about spam being sent to them after they post to a list. I've been sent a couple of these spam messages ...
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1answer
91 views

IT for a small organization: mailing lists, file server, hosting [closed]

I've been asked to help manage my church's information systems. We're small (~3 staff, ~150 parishioners), which puts us below the needs of a lot of the "Church Management" software I've seen. The ...
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Mailings to specific email provider causing popstate corruption?

We send out a weekly mailing to several thousand subscribers using an old version of Lyris ListManager, and have done so for years without incident. Every month or so starting about a year ago, two ...
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1answer
438 views

Mailman Sender Filter RegEx not working

Does anyone have experience with sender filters using regular expressions with Mailman? I use this regex to automatically accept all emails in the form "john.doe@sales.my-domain.de" or "name.name@...
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93 views

How many bounces before removing a dead address to avoid recycled spam trap?

We are developing our own mailing tool and scan log and mail error to remove dead mails from our database. When an error 5xx is returned by mails servers, we remove the mail for a determined time (...
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1answer
834 views

How to check the existence of an email address in yahoo without sending [closed]

I did several methods to check whether an email address in yahoo is valid or not by using via perl module and also by postfix MTA probing method. In all these methods it tried to sending mails to ...
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1answer
459 views

Conditionally prepending a string to mail subject in Exim4

I have a custom solution for implementing mailing lists using only Exim4 and a SQL database. Basically, most of the hard work is done in a single router, which checks on various conditions, does list-...
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Is it possible to create add people from outside the company inside AD mailinglists?

I would like to know if it is possible to add people from outside your company inside you AD so they can be added as members of different mailing lists. Clearly, I am looking for a safe way of doing ...
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1answer
190 views

SNT0-MC1-F20 Mailman issue

We are having issues with our maling list, we are using MailMan, a piece of log that i thought it might help in tracking the issue, Multiple lines like the following: (lost connection with mx1....
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1answer
2k views

OpenDKIM - verifying mail forwarded by mailing lists

I'm using OpenDKIM for verifying signed mails that are incoming to my mail server and use it as a spam addon (if dkim is broken, mail lands in Junk). However, I'm getting lot of false-positives with ...
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1answer
11k views

Using postfix aliases as a simple mailing list without sending mail to sender

Context I have a handful of system users having each one a company email address, handled by postfix. Every week, we send a status email to keep everyone up to date with current developments. Until ...
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1answer
169 views

Undesired information in sent email headers [closed]

I have a script that uses the PHP mail() method to send mail to a number of users that have signed up to receive a mailing list from my site. Since migrating to the new Endurance platform, I noticed ...
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2answers
62 views

Bulk Mail - Anti spam measures

We are providing a bulk mail system for a couple of our CRM/B2B customers, But on one of our smaller runs we got back a number of spam related bounce backs. I have read that we would need to set up ...
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1answer
146 views

How quickly should I action the update announcements on the CentOS mailing lists?

I've recently subscribed to the CentOS mailing lists so that I can keep up to date with any new releases or updates. I'm subscribed to CentOS-announce. I get quite a lot of emails regarding bug fixes ...
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1answer
296 views

Majordomo: Duplicate mails due to being on more than one list

I have a debian server set-up with sendmail and majordomo to handle incoming mail for some mailing-lists. Some of the users are in multiple lists and receive a mail twice when the mail is sent to both ...
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1answer
92 views

Software to manage monitoring notification e-mails? [closed]

We have several monitoring services that send notification e-mails when their alerts are triggered. In case of major incidents, many e-mails can be sent in short amount of time. Notification e-mails ...
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1answer
167 views

Maillist with foreign SQL table as address source

I'm looking for a way to allow members of a society to contact all members by sending mails to one group address. At the moment this is done by using mailman but this is rather unconfortable because ...
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1answer
27 views

Listserv Editor role mail address

I am using Listserv 15.5 and I would like to use a mailing list address as editor mail address, however Listserv explicitely warns one from using a mailing list address: Important Note: The first ...
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1answer
201 views

Windows server distribution list or Exchange shared mailing list?

Do you think it is better a distribution list in active directory or a shared mailing list of exchange for company internal mail alias (one address to many recipients)? I can not unserstand pro and ...
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2answers
10k views

PHPMailer email goes to spam, Outlook email doesn't

I'm sending out emails using PHPMailer through an SMTP server that I control, and I have DKIM and SPF set up and working properly, however, when I send a test email to my gmail account it goes to the ...
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3answers
2k views

How to restrict mailman list subscriptions to certain domains?

Is there any way to restrict a mailman mailing list to only allowing subscriptions from one specific domain? I know how to ban specific email addresses or domains from subscribing, but is there a way ...
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1answer
219 views

Automatically reject any mailman mailing list posts that contain Russian?

I'm running a small mailman-based mailing list on a Linux server, and the only spam posts we seem to get are in russian. They are automatically moderated of course, since they're not subscribed to the ...
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1answer
1k views

Mailman “from” spoofing

It seems mailman, by default, spoofs its outgoing message with the "from" address of the person who posted the message. The envelope mail-from is not spoofed, but rather the P2 FROM. Is this ...
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2answers
121 views

DNS MX configuration

Can anybody confirm this would work ? I have two MX-configured DNS records to handle smtp and pop. I'd like to implement a 'mailing list' server in another machine so: Would it do any harm the fact ...
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2answers
266 views

Which Mailing List Software? [closed]

I'm moving my mail infrastructure from mailup.com to an in house solution. I send roughly 65.000 emails a week and I'm aiming to double this within the next 6 months. I gave a look at PhpList and GNU ...
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2answers
1k views

SQL Server - Bulk E-mail using sp_send_dbmail - how many BCCs to be considered spam?

I use sp_send_dbmail to e-mail to groups of users. There can be hundreds of addresses at a time, all of which I am including as BCCs on one mail. Some users at certain domains do not receive the e-...
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1answer
101 views

Directory-based mailing list solution

I'm looking for a mailing list solution that meets a few criteria: Default membership based on Active Directory or LDAP groups/filters/whatever Users included by default can choose to opt-out Users ...
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1answer
436 views

Apache James Mail Server and a newsletter?

I'm new to James Mail Server and I would appreciate it if some of you could help me on my task.. I'm required to build a newsletter system that could send mass mail (>=100,000 subscribers) to members ...
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2answers
445 views

mailman recover list from file

can i recover users of a list from broken harddisk. i can see /var/lib/mailman/lists folder and files inside it. there are folders for each list and pck files inside them. also lots of db files are ...
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1answer
167 views

Sendmail - preventing aliased users from receiving multiple copies of the same email

Is there any way to prevent a user from receiving multiple copies of the same email if an email is sent to both an alias for the user as well as the user themselves? For example, suppose bob.smith is ...
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2answers
202 views

Sending one-time e-mails to a whole bunch of users: use a mailserver or a listserver?

I was wondering if anybody here has any best-practice advice on what infrastructure software to use to send an e-mail message to hundreds or occassionally a few thousand people. The same list of ...
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3answers
879 views

Does Exchange 2010 lift the restriction that DL addresses must be in Active Directory?

We'd like to enable end-users to be able to create and maintain their own email distribution lists in Exchange 2010, where those lists may include users inside the company but also customers, partners,...
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4answers
3k views

How to send 100,000 emails weekly and avoid being considered spammer

I have a mailing list with 100,000 email addresses, and I have to send it an email weekly. What application/program/webapp/script/etc do I have to use to send 100,000 emails weekly and avoid being ...
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1answer
125 views

Procmail Mailing List (With Access Control)

This seems like it should be fairly easy to do, but I've run into a few problems. I've added a cron job to parse all users whose UID is greater than 500: ## This checks if the passwd file has been ...
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1answer
569 views

Working around Gmail mailing-list “feature.”

We're using Google Apps for our domain's e-mail via IMAP. Whenever mail is sent to a mailing list, copies of the original mail are not received in inboxes. According to Google, this is a "feature." ...
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2answers
2k views

Sendmail over SMTP is Throttling My PHP Script… How do I make it behave?

Here's the situation: I've got a Redhat Linux server with PHP 5.2 and standard sendmail that we're using to send email to a list of 10,000 email addresses. We have a fairly simple script that uses ...
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2answers
299 views

Bulk email validation [closed]

I have a list of one million email addresses of varying quality (the list has never been pruned) which needs to be cleaned. All addresses are syntactically correct, but many of the mailbox accounts ...
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1answer
90 views

where is ezmlm-idx attachment settings?

is there a way to disable attachments at all or maybe over certain size in ezmlm-idx?