SMTP projects — HireLancer archive

ID / Date Listing

Multi-Protocol Real-Time Alarm Platform

I’m looking for a single Windows executable that continuously pulls real-time data from OPC DA/UA, BACnet, and Modbus devices, processes that stream on the fly,...

HL-40229386

Email avatar fix

I’m dealing with unreliable email delivery—some messages never leave the outbox, others vanish on the way in, and a few land straight in spam. I need someone wh...

HL-40229223

Robust Email Verification Platform

I need a complete platform that can tell—quickly and with a high degree of accuracy—whether an email address is usable. The core of the build must cover: • Synt...

HL-40223388

PHP Email Distribution Script

I need a straightforward PHP server-side script that listens to a single group email address on my own custom SMTP server, captures every incoming message, stri...

HL-40219277

Email Sending from Existing Domain and OLD Mail Server

I need a mailing server with old domain configured should have mailing software installed preferably mailwizz, because i will be using different sender email fo...

HL-40211268

Microsoft 365 Migration & Configuration

I need an experienced Microsoft 365 specialist to move our logistics company, NUVECA, completely off Zoho Mail (1–10 accounts) and onto a new Microsoft 365 tena...

HL-40205888

OUTBOUND MASS EMAIL BLAST TEST

OPERATION EQUIP-MAIL-PILOT Outbound Operator Qualification & Execution Test REQUIRED DECLARATIONS Answer YES or NO only. No explanations. DO YOU CURRENTLY OPERA...

HL-40204244

Fix SMTP 535 Authentication Error ASAP

My PHP-based app suddenly throws “Expected response code 235 but got 535 – Authentication credentials invalid” every time it tries to send mail. I already updat...

HL-40204107

Solución entregabilidad correo corporativo

Necesito a alguien que entre a fondo en la configuración de mi servidor de correo para resolver un problema intermitente de entregabilidad. Mi prioridad es la r...

HL-40200101

WordPress Tune-Up & Fixes

My WordPress site needs a quick but thorough tune-up. First, I want both the theme and all active plugins brought up to their latest stable versions without bre...

HL-40199479

WordPress Forms Mobile & Email Fix

I have two existing WordPress forms that need quick, targeted attention. On two different sites. Task 1 – Mobile layout On phones the form fields are scattered:...

HL-40194763

Odoo Email Server Setup

I need my Odoo instance to send email reliably through Gmail. The Gmail account is ready, but I have not yet generated an app password or adjusted the “less sec...

HL-40190619

Real-Time Business Email Verification

I need a straightforward solution that can check a business email address the very moment it is entered and immediately tell me whether it will accept mail. The...

HL-40189628

Supabase API Integrations for Scoial Media login.

I am currently looking someone to setup integrations to Facebook/Meta, Linkedin, Google, TikTok, Isntagram, YouTube. - Integrations will setup social login (por...

HL-40188781

Odoo.sh CRM Email & DNS Setup

I run my CRM on Odoo.sh and need every piece of email infrastructure working smoothly with my private domain. The job breaks down into three core parts: • Mail...

HL-40184670

Fix PHP Mail Spam Issues

My site still relies on PHP’s native mail() to send order confirmations, password resets and contact-form notices. Gmail, Hotmail/Outlook and other major provid...

HL-40182877

Suomispam Blacklist Removal

MXToolbox is reporting that 15.197.225.128—my production-mail IP—has landed on the “Suomispam Reputation” blacklist. This IP only handles outbound email; there...

HL-40182171

Fix SMTP Reverse DNS Mismatch

My mail server is flagging up “Reverse DNS does not match SMTP Banner” warnings and I need a precise fix so outbound messages stop getting rejected or routed to...

HL-40180675

Lightweight PMTA Bulk Email Script

I need a straightforward script that talks directly to my self-hosted PowerMTA setup and lets me blast out campaigns in one go. The only job it must master is r...

HL-40180224

Resolve SMTP 535 Authentication Error

Every time my application tries to send mail I get the dreaded “Expected response code 235 but got 535 – Authentication credentials invalid” for both LOGIN and...

HL-40177636

Prevent HTML Emails Hitting Spam

Even though my SPF, DKIM, and DMARC records all check out, every HTML-formatted message I send from my domain still lands in the junk folder on Gmail, Outlook,...

HL-40177427

Personal Email Reminder System

I’m ready to streamline my everyday to-dos with a lightweight personal task manager that focuses on timely email reminders. All I need is a straightforward way...

HL-40177302

Advanced Email Verification Intelligence System

Project Overview: I want to build an advanced email verification system that classifies any uploaded email ID into: Valid Invalid Catch-All The core challenge —...

HL-40177245

Develop back-end app email software C++

We are looking for a skilled C++ developer to build and maintain back-end application code focused on email filtering. Experience with back-end systems, data pr...

HL-40175869

Configuración de correos a través de Google Workspace

Se requiere alguien con conocimientos en Google Workspace para la configuración de varios correos corporativos.

HL-40173736

Resolve Google Workspace Email Delays

I run a very small Google Workspace setup—just two user accounts—but missed and delayed messages from certain senders are starting to cost me clients. The odd p...

HL-40173040

Instagram Influencer Outreach Automation -- 2

I need a small, self-contained system that can discover Instagram influencer accounts, verify they have at least 10 000 followers, confirm they are open to coll...

HL-40172551

Configure Brevo SMTP on Ubuntu

I’m running a Laravel 8 application on an Ubuntu server at DigitalOcean and need Brevo (formerly Sendinblue) wired in for all transactional emails. My Brevo acc...

HL-40172348

Instagram Influencer Outreach Automation

I need a small, self-contained system that can discover Instagram influencer accounts, verify they have at least 10 000 followers, confirm they are open to coll...

HL-40170359

PowerMTA SMTP Setup & Training

I need a full working PowerMTA installation on my Ubuntu 22.04 VPS for high-volume marketing emails. I already have a pool of dedicated IPs and want them rotati...

HL-40165968

Build Django JWT Auth API

I need a clean, well-structured Django REST Framework project that handles the entire user life-cycle with email-only credentials. A custom User model will repl...

HL-40164533

Expert Setup of PowerMTA (SMTP) + [Mailwizz/Mautic] for High-Volume Email Marketing

I am looking for a DevOps/Email Deliverability expert to perform a professional, "turnkey" installation of PowerMTA (PMTA) v5.0 (or latest stable) integrated wi...

HL-40157080

High-Volume SMTP Email Verifier Build

I need a production-ready email verification system that can process well over 1,00,000 addresses on a recurring basis for my internal database You may design t...

HL-40154178

Install and configure Laravel script on our server, connect Stripe, enable live streaming, and update to latest version

Overview We have purchased a Creators Content Script on codecanyon (Laravel 12, last update 08 January 2026). We need an experienced Laravel developer to fully...

HL-40152262

Bulk Cold Email Sender

I regularly collect fresh prospect lists and will pass them to you in batches of 1,000. The content is plain text, but I do have a simple template that could us...

HL-40145358

A senior profile is required with practical mastery of mail protocols (IMAP/POP3/SMTP), TLS/STARTTLS, proxies and sockets, TCP, different TLS stacks and efficient concurrency. -- 2

(1) Experiencia en protocolos de correo (IMAP, POP3, SMTP) Debe entender: - Estados del protocolo - Flujo completo de una sesión - Diferencias entre TLS directo...

HL-40141749