The Deliverable Diary

At SMTP2GO, we prioritize your email security and privacy, continuously updating our protocols to ensure the highest level of protection for your data. Encryption Options TLS (Transport Layer Security): Recommended for secure email transmission, automatically selecting the highest encryption rate possible. SSL (Secure Sockets Layer): An alternative secure connection option. No Encryption: Available but not […]

Have you ever encountered a “550 unable to verify sender address” or “550 Sender verify failed” error while attempting to send an email? These cryptic messages can leave you scratching your head, wondering what exactly went wrong. Don’t worry, we’re here to shed light on this issue and guide you through understanding and resolving it. […]

We frequently encounter questions such as, “Which port should I use?” or “Why the sudden need to switch ports when everything worked perfectly yesterday?” Admittedly, these questions aren’t straightforward to address. Why, you ask? Surprisingly, it’s not solely within the control of an external SMTP provider. Factors such as your Internet Service Provider (ISP), firewalls, […]

At SMTP2GO, we believe in giving back to our community and making a positive difference. That’s why we encourage our employees to volunteer for causes they care about, such as the UK-based research and support charity Breast Cancer Now. On April 25th, 2024, Breast Cancer Now hosted The Show – a fashion show like no […]

Berlin Autofrei is a movement based in Berlin, Germany, with a revolutionary goal: to significantly reduce car traffic and transform Berlin into a safe, livable and climate-friendly city. The movement seeks to achieve this through a binding referendum and rallying the support of the community to create lasting change. We spoke to Benni Wasmer to […]

Maintaining the security of your email communications is essential. With cyber threats constantly present, it’s important to establish strong measures to uphold the integrity of your email system. Our IP Allowlist feature is a practical tool to enhance email-sending capabilities and boost safeguarding procedures. Understanding IP Allowlisting The IP Allowlist feature empowers you to improve […]