Deliverability & technical
Infrastructure, authentication and deliverability: what decides whether your emails arrive.
All articles
Legitimate interest in B2B: prospecting without explicit consent
In B2B, emailing prospects without prior consent is possible because another legal basis, legitimate interest, takes over: its conditions and proof.
10 min read Deliverability & technicalSending emails via API in GDPR compliance
Connecting your CRM to a sending API removes no GDPR obligation: legal basis, consent proof in the call, payload minimisation, key security and DPA.
13 min read Deliverability & technicalTracking pixel and the CNIL recommendation: what changes for your email campaigns
The CNIL adopted its recommendation on email tracking pixels on 12 March 2026: transition ends on 14 July and named open tracking requires consent.
9 min read Deliverability & technicalQuishing: the QR code threat in emailing
Quishing is phishing by QR code: the malicious link hides inside an image, slips past classic anti-spam filters and puts your B2B deliverability at risk.
6 min read Deliverability & technicalEmail accessibility: 2025 compliance
The European Accessibility Act has applied since 28 June 2025. What it really changes for B2B senders, and how to bring your campaigns into compliance.
8 min read Deliverability & technicalSender reputation: the key factor in your deliverability
Sender reputation decides whether your emails land in the inbox or in spam: here is how to measure it, protect it and rebuild it when it has been damaged.
7 min read Deliverability & technicalMicrosoft tightens its email rules in 2025: what changes for B2B senders
Since 5 May 2025, Microsoft requires SPF, DKIM and DMARC from any domain sending over 5,000 emails a day to Outlook.com, Hotmail.com and Live.com.
9 min read Deliverability & technicalNew Gmail/Yahoo rules 2024-2025: what B2B senders must know
Since February 2024, Google and Yahoo require SPF, DKIM, DMARC, one-click unsubscribe and a spam complaint rate under 0.3% from every bulk sender.
13 min read Deliverability & technicalSPF, DKIM, DMARC configuration: complete guide
In a nutshell: SPF, DKIM and DMARC are the three protocols that prove to receiving servers that your e-mails are legitimate.
11 min read Deliverability & technicalComplete guide to B2B email deliverability
Do your e-mails really reach their destination? It may seem a naïve question, but it's true.
10 min read Deliverability & technicalAn overview of B2B prospecting tools: what should you keep?
Finding new customers has never been so complex. Between emails, calls, LinkedIn, databases and automation tools, it's easy to get lost.
9 min read Deliverability & technicalCustomer lifecycle: reducing churn effectively
How can you turn your customers into loyal partners?
4 min read Deliverability & technical650 emoji for your email campaigns
The use of emojis in the subject line or message of an email campaign can be a strategic asset for engaging your recipients.
13 min read Deliverability & technicalThe problem of animated gifs with Outlook
Sending an animated GIF in an e-mail campaign is a good idea for making a message more attractive.
3 min read Deliverability & technicalThe definition of deliverability in email marketing
Deliverability is the art of getting emails into recipients' inboxes.
5 min read Deliverability & technicalThe Backscatterer blacklist: the easy way out
Have you blacklisted your IP address and found it listed on the Backscatterer list? Don't panic, we'll explain everything.
2 min read Deliverability & technicalEmailing statistics: Can telephone calls be counted?
Emailing statistics: Can telephone calls be counted?
3 min read Deliverability & technicalHow does content-filtering anti-spam software work?
How does content-filtering anti-spam software work?
5 min read