Questions tagged [email]

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64 views

Email via a Microservice

We currently have a monolithic code base which we are in the process of extracting some micro-services where it's obvious to do so. One thing that stands out is our email delivery. We have numerous ...
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0answers
22 views

New user on CMS generates email account

I am developing a platform and I want users to be able to have email accounts once authorized. I have a method of handling this manually, but was wondering if anyone can point me in the right ...
3
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1answer
125 views

End to end email tests

In short: are email end-to-end tests a thing? As part of my CI I would like to run email integration/end-to-end tests: the app would send it to some SMTP server and then hits maybe an endpoint where ...
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2answers
136 views

Does POP suffer from any inherent security problems

I recall seeing a large email corporation discourage POP client access, suggesting it was insecure. Assuming this is not FUD meant to encourage adoption of their client, I am wondering whether either ...
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1answer
66 views

DIY email service vs MailChimp and pals

I need to set up newsletter signup for a site. Initially, I was eyeing services like MailChimp and SendPulse, but I'm not comfortable with their prices and I'm not really keen on sort of giving up ...
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1answer
80 views

How far we have to consider the plug-ability while designing an email service using external library

I was designing an email service in .net standard 2.0 using mailkit library. I proposed the following design This design was not accepted stating the following reasons: This design have to many ...
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1answer
127 views

Is there existing technology write code to be executed in response to an email being sent for a certain email? [closed]

Similarly to a rest api, I want a server to listen for an email to an address I have created, and in response to mail being received, run code that I have created. Is this possible already? I ...
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1answer
59 views

Where to store side effect state in an event sourcing system

I also had a look at How do I deal with side effects in Event Sourcing? but the solution wasn't clear to me. If I store "EmailSent" event in the event stream, I might issue the external request to ...
-2
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1answer
57 views

Do all email clients (Yahoo, Gmail, Outlook, etc) always send emails in multi-mime format and include a plain text version of the body? [closed]

I am trying to design a mail integration to a system but I have to process emails as they come. One of my decisions is based on whether I can be 100% sure that email client always send a plain text ...
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1answer
103 views

Architectural principles for creating a large-scale email server that doesn't get blacklisted

I am considering what it takes to implement an email server. Google Cloud basically doesn't allow you to send emails at scale (they block the email ports pretty much), though it sounds like you could ...
3
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2answers
316 views

How to keep logs of emails sent by application

We have an ecommerce application which sends out transactional emails to customers for events like order placed, order shipped, order delivered etc. We used to send one bcc of every email to a gmail ...
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1answer
198 views

What characters to limit when user enters an email?

I have a backend that does not support emoji characters in all of its fields, so I want to block them directly in the frontend application. I'm in the register section, and I want to limit the ...
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1answer
117 views

Where to store automated transactional email templates

Our website needs to send transactional emails to customers each time an event happens on the site such as: User registration Email verification Password resets Order confirmations Despatch ...
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1answer
332 views

Queuing emails in Laravel when using an api driver such as Mailgun?

In Laravel (for the record I'm using v5.6) there is an option to queue emails for background processing. I have a scheduled job to send out daily email alerts to users. Currently the job drops the ...
3
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2answers
298 views

Are international UTF-8 e-mail addresses a thing or not?

RFC6530 defines the necessary steps for "international e-mail" (i.e., especially for UTF-8 e-mail addresses). Apparently Google adopted the RFC back in 2014 (source). Still, most validators I find on ...
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1answer
882 views

How to get email from Gmail to a PHP app

I'm building a PHP app which should somehow receive emails that are to be imported into user records. None of the solutions I've come up with will work (listed and explained below). I'm hoping ...
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1answer
109 views

LDAP with Dovecot

I have a mail server setup with Postfix and Dovecot, and an application server setup with node.js. I have user credentials stored in my application server, and I want to use the same credentials for ...
2
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2answers
233 views

Should I fix known bad domains in user emails?

Checking my Sendgrid account I've noticed many drops due to "Known bad domain". Those bad domains often seem to have been caused due to user mistake. ***@gmal.com ***@gmail.com.br ***@hotmal.com I ...
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1answer
78 views

Showing confidential to a customer info without having him to create an account: GET or POST approach?

There's a website where a person should pay to get some service/product. After a person has made a reservation/product by paid for it, I want to allow him to track the progress without having to or ...
1
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1answer
266 views

Building a scalable Email Delivery system

I want to fix my current Email Delivery system which sends email using a third-party email provider and creates a record for each email sent in RDS. Functionally this is how the system behaves - A ...
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1answer
248 views

A way to communicate between 100 clients on low budget

I have a group of 100 clients around the globe, that need to communicate between then self, fast. Each message that each of the clients sends needs to be broadcasted to everyone. The messages will be ...
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0answers
38 views

How (should I) to look for email uniquess in a registration system vs mail providers policies?

I'm implementing a registration system where I would care of having a clean DB with only unique email addresses. uniquenes could be simply obtained by comparing email addresses strings. But ...
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1answer
78 views

Publish nightly received e-mails on FTP server

The goal is to publish the attachments of received e-mails as soon as possible on an FTP server. These e-mails are sent at night, manual work is impossible. The mail server these e-mails are received ...
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3answers
187 views

Design a system to send email at various times periodically? [closed]

I am working on a feature that will allow the user to configure an email to be sent a time he chooses. Once he has saved this configuration, email will be delivered at his chosen time (or around that ...
2
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1answer
87 views

Should we avoid 'legitimate' spoofing of “From” address or just ignore DMARC failure

I am on a team building a SAAS application. Part of the application will send out scheduled reminders to our customer's clients. The project description is asking for the ability for our app to send ...
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1answer
96 views

Performing multiple actions on each row of table from many databases

I am working on a project that manages employee payrolls using php (no frameworks). This application consists of clients (with their own databases). Each database consists of the client's employees ...
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1answer
192 views

Architecture for email service API

I would like to build an application for sending emails. So I chose ASP.NET Core (API) which will be deployed by Docker. The application will get some request and "do some things" and then sends ...
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1answer
3k views

What is an email payload?

When we mean e-mail payload, are we talking about the whole message provided after DATA command or just the Body part of the message (without headers like From, Subject, Message-ID etc)? S: 220 smtp....
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1answer
148 views

Filtering and forwarding emails received via multiple SMTP servers

I'm working for a company that will be renting smtp server capacity similarly to MySMTP. Our end users use a 3rd party email marketing frontend application configured with the details of our SMTP ...
2
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1answer
461 views

Finding duplicate email addresses. How heavily should I normalize them?

I have a big list of email addresses and I want to find out which of those are duplicates. How to define "duplicate" is exactly what I'm posting about here. I know from experience that with Gmail, ...
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2answers
2k views

What is email ingestion and are there modern uses for that technology?

After reading this question Reasons NOT to use email for system integration I want to ask the opposite question. What is email ingestion? When it is OK to use it for process or system integration?
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3answers
291 views

Reasons NOT to use email for system integration

I do system integration for critical and time sensitive systems. We have two standard ways we can build these system integrations. One is a simple (and cheap) email ingestion tool built into our ...
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1answer
435 views

Schedule Task prevent duplicate notification

I am creating schedule tasks that run on daily basis monitor system events and send email notification based on some criteria. For example, if user subscription will expire after one month, task ...
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1answer
71 views

How to make an application only accessible to those with a college/university email

I have no idea where to start in all honesty. If I make a phone app, for example, how would I go about only allowing people with a university (college) email address to sign up? Would it be as simple ...
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1answer
626 views

Send server side file as attachment in a web application

In our web application development project, we need a feature that lets the users to email themselves an attachment (~1MB) which resides on the server. I was considering two alternatives. Upon ...
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3answers
906 views

Hide, obfuscate or otherwise prevent the harvesting of email addresses [closed]

I am developing a public repository webapp for my organization. It will be public webapp, exposed to the internet. All people and organisational units can be queried and its contact data will be ...
4
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1answer
2k views

Is it always the best way to go to queue emails instead of sending them real-time? [duplicate]

If you had to decide between queueing emails and sending them real-time, is it always the best way to go putting them in a queue and sending them one by one instead of instantly as soon as a user ...
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0answers
48 views

Logging of sent/received emails within a web application

We're finally migrating our client/server system to the cloud and would appreciate help on the handling of email within the webapp. Currently we monitor the inbox/sent items of Outlook. It seems that ...
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1answer
144 views

Error recovering emails in Delphi (POP3) [closed]

I'm new to programming with Delphi. I have the latest version. I'm trying to display my emails using POP3 but I have a problem. At one point I was wrong and did a loop with POP3.Retrieve() method ...
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1answer
143 views

API call to login from a link in email

I am trying to make a something like a shopping cart. I want to add a feature, that if a person adds a product on website but does not purchase the item, i will send him an email with a link. If the ...
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1answer
101 views

What's a reasonable limit for email confirmation re-sends? [closed]

I want a secure web app, and allowing infinite email confirmations and re-sends seems insecure. I was thinking 3 but would love an opinion from someone with experience. Edit Sending email with ...
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2answers
3k views

What is the best approach for PHP mail templates

I'm working on a webshop (used to be for just one product, expanding it to multiple products and multiple shops hooked up to one backoffice, can't use PrestaShop because of compatibility). We send 3 ...
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3answers
7k views

RESTful Api: Send email with links to client URL

A client can call the following REST api URI to send an enquiry POST /v1/businesses/{business_name}/enquiries The enquiry can then be viewed through the following call: GET /v1/businesses/{...
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2answers
5k views

Should I keep email addresses as plaintext in database?

It's clear to everyone (I hope) that storing passwords without at least salting/hashing them is a terrible idea. What about emails? Let's say you keep the subscription email address, if you encrypt ...
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1answer
181 views

Send Emails Via APIs or Code?

I am Using SendGrid to Send Emails to my Users. There are two ways to send emails via SendGrid. 1 - Via APIs 2 - Via Program/Code I want to know which one is More Secure and efficient way. I am ...
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2answers
2k views

Why does PHP allow sending mail from any address

I'm sorry if this has been asked but I'm not quite sure how to search for it. I'm having a bit of trouble understanding how mail() works in PHP. The way I see it, using that function, I can send e-...
1
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1answer
1k views

The correct manner in implementing an email notification system

I'm looking to build an email notification system using codeigniter. Now the system in question is one of a 2nd hand online store. For example say person A would like a chair. When they search the ...
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2answers
279 views

What's the etiquette on looking at the other person's email when pair programming?

To me - if you're pair programming - then you don't open your email, or you decide you're cool with the other person looking at it. I've worked with a person who looks away, and expects you not to ...
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2answers
601 views

Sending a notification to each participant 3 hours before the meeting starts

Let's assume an application that deals with meetings where some users will participate. What is an efficient way to achieve this use case: 3 hours before the meeting should start, one reminder mail ...
2
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1answer
229 views

Is Singleton enough for a EMailUtil or there is any better implementation? [duplicate]

I am developing an application, where I have to send lots of emails for user account creations, validation, invites etc. I have implemented a static class EMailUtil which has different methods like ...