Email deliverability in Italy: What marketers need to know

TL;DR

Email deliverability plays an essential role in many brands' customer engagement efforts—but what it requires can look very different on a country-by-country basis. Most email senders are familiar with what Gmail and other global mailbox providers expect, but if you want to successfully send emails in Europe, it's important to know how regional mailbox providers work, how to engage with local users, and what recommended practices you need to follow for a given location. Italy is a market worth paying close attention to. While Gmail, Microsoft, and Yahoo are widely used, local providers like Libero and Virgilio still hold a significant share, making it essential to understand their operating model to build an accurate and effective email marketing strategy.

Key takeaways

• Italy has a number of country-specific inbox providers (including Italia Online and Telecom Italia) that are used by a significant number of users, making it important for marketers to look beyond standard best practices for handling inbox providers like Gmail and Microsoft
• Marketers need to consider applicable local laws, , such as the Italian Privacy Code, and be aware of guidance and recommendations issued by the Italian Data Protection Authority, which supervises the enforcement of data privacy laws in the country

The main Italian mailbox providers

Among local mailbox providers, a handful stand out:

1. Italia Online (libero.it, virgilio.it, blu.it, giallo.it, inwind.it, iol.it): This is the most popular domestic provider.
2. Telecom Italia (Alice.it / Tin.it / Tim.it): The legacy and current email domains associated with one of Italy’s leading telecoms.
3. Tiscali: A major independent provider that has a long history in the Italian Internet Service Provider (ISP) space.

Other notable mailbox providers in the country include:

1. Fastwebnet.it: Associated with the Fastweb broadband service.
2. Poste.it: Provided by Poste Italiane; very common among older demographics and public administration employees.
3. Email.it: A long-standing independent Italian provider.
4. Aruba.it: Primarily a hosting provider, but they host a massive amount of professional and "prosumer" Italian mailboxes.

Finally, there is also a certified email system specific to Italy, the Posta Elettronica Certificata system. This covers [email protected], @legalmail.it, and @postacertificata.gov.it.

What does this mean for marketers?

Italy’s data protection rules and the significant role played by local mailbox providers has the potential to put some limitations on email marketers who send unsolicited communications or carry out aggressive data collection strategies. That’s not a bad thing. Marketers who respect privacy rights and comply with legal requirements are being thoughtful and strategic about their relationships with mailbox providers, regulators, and even email recipients—after all, being on bad terms with any of those groups is a dangerous place to be.

Marketers need to ensure that their data collection and processing practices respect these regulations and best practices, and that means prioritizing receiving explicit consent from users that they want to contact for marketing purposes. They should also provide clear information on how the data will be used after the collection process.

What best practices do email marketers need to follow when messaging Italian recipients?

Italy has a number of applicable privacy laws including the GDPR and Codice Privacy and enforcement is the responsibility of the Garante per la Protezione dei Dati Personali.

This means that the following topics should be key areas for email marketers:

Consent, Information and transparency

As a general rule, express opt-in is required for marketing activities in Italy under applicable laws. A best practice is to keep timestamped consent records as a matter of good governance.

Consent must be purpose-specific, privacy notice should be in Italian, and unsubscribes must be actioned promptly.

As a rule, email marketers globally should avoid purchasing or borrowing lists from partners (which is also prohibited under Braze’s Acceptable Use Policy), in order to ensure that they have direct relationships with recipients and aren’t sending messages that individuals don’t want to receive.

Recently, on April 17, 2026, the Garante published guidance that the use of open pixels in emails requires prior consent. France’s regulator, CNIL, has also published similar guidance on the matter. This is a position that marketers need to consider if they are using open email pixels as part of the marketing activities.

Sender Identity

Use a recognizable brand sender name; include physical address and Partita IVA (Italy's VAT is an 11-digit identification number which every Italian business has for tax and invoicing purposes) in the footer.

Language & Tone

Always send in Italian; using a professional and formal tone unless your brand relationship and reputation is established as more casual. Also, try to avoid high-pressure urgency copy as it could be read as aggressive and erode trust.

List Hygiene

Run re-permissioning campaigns if consent is old or undocumented; fines for poor records are real. Make a point of documenting your consents.

Content & Email creative

In general, Italian mailbox providers require standardized HTML and a healthy text-to-image ratio in the messages sent to their users. To comply, you should simplify your creative, ensure metadata (structural information attached to your campaigns) is localized, and make sure your messages match your brand identity.

Even though content is important for all mailbox providers, there are some other points specific to Italian providers that are crucial to consider:

• Limited “Payload” for Italian mailbox providers: Avoid more than 100Kb for the total HTML file size
• Text/image ratio: Including large images with little text can lead your emails to be flagged as spam, ALT text is mandatory for accessibility, and preheaders can be a good way to introduce your email to recipients, since some Italian mailbox providers (Alice/Libero) show a long snippet of it
• CTAs and links: Limit the number of links in the creative and provide clear and visible call-to-actions, and remember that Https is not negotiable and shorteners are expressly forbidden; also, these mailbox providers generally prefer that you use your own branded subdomains.
• Localization signals: Ensure accents are properly encoded and rendered.

Deliverability tips

1. Ensure a proper warm-up

As with all mailbox providers, Italian ones expect brands to grow their sends by carrying out a progressive increase in volumes as part of a well-designed IP warming plan. It is crucial to follow the basic recommended practices when beginning to send on a new subdomain/IP:

• Start slowly and grow your sends at a measured pace
• Focus on the more active users first
• Adapt the speed rate limiting accordingly

2. Regularity is crucial

In general, sending marketing emails at a regular and consistent volume will help to build your reputation. Avoiding spikes in volume from one day to another is the best way to stay in mailbox providers’ good graces and safeguard your ability to reach users via email.

3. Stay on top of list hygiene

Just because someone once wanted to receive your email doesn’t mean that they always will. To keep lapsing email recipients from hurting your deliverability, make sure you have a sunset strategy that focuses on marketing only to the most active addresses, and make a point of proactively removing non-responsive users.

4. Use email throttling

Check the SMTP logs and identify the types of errors being presented. A lot of soft bounces can be observed as 421 or 450 errors, which means emails can be deferred (especially on Libero and Alice). Ideally, when a higher volume of emails needs to be sent, we recommend doing some adjustments on the speed rate limiting, for spreading slowlier the volume over time.

5. Check regularly Spamhaus and SURBL

If you’re receiving errors that begin with 550, that likely means that your infrastructure has been blocklisted as Italian mailbox providers often rely on the main blocklists (e.g. Spamhaus). So check these regularly to avoid any deferred traffic or blocks.

6. Put some transparency in your content, especially in the footer.

While localizing content is essential for the Italian market, technical compliance remains the priority. Ensure the unsubscribe mechanism is highly visible and fully functional to prevent friction. Furthermore, clearly displaying the registered corporate address is a critical requirement; failure to do so can trigger complaints that negatively impact your sender reputation and overall delivery performance.

Focus on IOL Group:

This group offers a Paid Certification that guarantees inbox placement (either in the Primary tab or Promotions tab, depending on the selected tier). This program is designed exclusively for high-volume senders dispatching a minimum of 50 million emails per month to IOL addresses. Because few individual senders meet this threshold, it is typically secured by Email Service Providers (ESPs) on behalf of their clients.

Like most mailbox providers, IOL strictly monitors sending quality. High hard-bounce rates or spam complaints can result in the immediate revocation of the certification for the affected IP addresses.

Please note that this certification is not mandatory for maintaining a strong sender reputation with IOL. Consistently following email deliverability best practices will allow you to build a positive reputation organically.

Focus on Telecom Italia:

Telecom Italia’s three mailbox providers share a common infrastructure and filtering engine. Standard authentication (SPF, DKIM, DMARC) is a strict baseline requirement here.

They offer a dedicated Feedback Loop (FBL) which is part of Validity Universal Feedback Loop Service. This system automatically forwards spam reports associated with IPs or domains to a dedicated email address so high-volume senders can manage complaints. Therefore, this helps prevent high complaint volumes from damaging sender reputation.

As with other major mailbox providers, standard deliverability hygiene applies:

• Maintain strict list hygiene (remove invalid users and cap soft bounces).
• Adjust rate limits to avoid sending too quickly.
• Implement an effective sunset policy for unengaged subscribers.

Focus on Tiscali:

Tiscali requests to follow these practices:

• Authentication: as always and nothing new, this must be fully compliant
• Greylisting (this is a spam filter that temporarily rejects emails from unknown senders, banking on the fact that legitimate mail servers will retry while spam bots won't): this is expected as Tiscali temporarily rejects unknown senders with 4xx codes. Your MTA must be configured to retry or mail will never land.
• 421 errors are often onTiscali's side as their unstable MX servers cause most bounces. Ideally, recipients shouldn’t be deleted on the first failure, retries should be done.
• Register for the FBL and maintain list hygiene: Purge regularly disengaged addresses and use the feedback loop to suppress complainers as soon as possible.

Final thoughts

The Italian market is defined by a unique set of user-centric protocols.While standard global best practices remain the foundation, marketers must adapt to these region-specific requirements to ensure seamless inbox delivery and long-term compliance.

Success in Italy is not a one-size-fits-all endeavor. While global giants like Gmail dominate the headlines, mastering the 'local giants' like Libero and Alice is the key to true inbox saturation. By prioritizing technical compliance, respecting regional throttling limits, and maintaining a transparent relationship with your subscribers, you transform deliverability from a technical hurdle into a strategic lever for revenue.

Remember: In Italy, reputation is everything—protect it with precision.

Interested in diving deeper into email deliverability? Check out our email deliverability guide for an in-depth look at how to safeguard your email program.

Disclaimer: This post is for informational purposes and does not constitute legal advice. Please seek independent legal advice regarding your email marketing activities.