Email Marketing Insights

Master deliverability, automation, and growth with our technical guides.

Getting mail attachment to python file object
2026-07-15

Getting mail attachment to python file object

# Getting Mail Attachments to Python File Objects: A Deep Dive When dealing with email communication, especially multipart messages that include attachments,...

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect

Nodemailer getaddrinfo ENOTFOUND Error
2026-07-15

Nodemailer getaddrinfo ENOTFOUND Error

# Nodemailer `getaddrinfo ENOTFOUND`: Debugging DNS Failures in Email Transport As developers, we often encounter frustrating errors that seem unrelated to the...

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect

Regex for validating multiple E-Mail-Addresses
2026-07-15

Regex for validating multiple E-Mail-Addresses

# Mastering Multiple Email Validation with Regular Expressions As developers, we often rely on Regular Expressions (Regex) as our primary tool for data...

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect

Embedding attached images in HTML emails
2026-07-15

Embedding attached images in HTML emails

# Embedding Attached Images in HTML Emails: The Developer's Guide When crafting professional HTML emails, one of the most common hurdles developers face is...

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect

How do I set the name of an email sender via PHP
2026-07-15

How do I set the name of an email sender via PHP

# How Do I Set the Name of an Email Sender via PHP? Mastering the `From` Field As developers, we often need more control than the basic functions offer....

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect

Send email using System.Net.Mail through gmail
2026-07-15

Send email using System.Net.Mail through gmail

# Sending Email via Gmail SMTP: Troubleshooting Stuck Sends in .NET As a senior developer, I’ve seen countless developers run into issues when trying to...

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect

A simple local SMTP server
2026-07-15

A simple local SMTP server

# A Simple Local SMTP Server: Testing Email Functionality in Isolation As developers, testing external dependencies is a common hurdle. When you are developing...

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect

Sending email attachment using uuencode and mailx
2026-07-15

Sending email attachment using uuencode and mailx

# Sending Email Attachments: Why `uuencode` Fails and the Right Way to Handle MIME Data As developers, we often find ourselves bridging the gap between raw...

Stefan Bogdanescu

Stefan Bogdanescu

Founder & Senior Architect