Bulk Email VPS - Self-Hosted Offshore Mail Server

Email Service Providers (Mailchimp, SendGrid, etc.) are appropriate for standard newsletter sending to opted-in lists. They become inappropriate when: you send content that triggers false-positive spam flags (firearms, supplements, crypto, adult content, gambling, certain political content), you need sending rates above ESP limits, you require complete privacy of your email list, or your account has been suspended by ESPs. A self-hosted SMTP server on an offshore VPS gives you unrestricted sending capability for content that you own and for recipients who have opted in. The responsibility for compliance (CAN-SPAM, GDPR) shifts entirely to you. Anubiz Host permits legitimate bulk email use on VPS. Spam (unsolicited commercial email) violates our ToS. Opt-in newsletters, transactional email, and permission-based marketing are permitted.

A production email stack on Ubuntu VPS: ```bash apt update && apt install postfix dovecot-imapd dovecot-pop3d rspamd redis-server opendkim opendkim-tools -y # Postfix main.cf key settings: # myhostname = mail.yourdomain.com # mydomain = yourdomain.com # myorigin = $mydomain # inet_interfaces = all # smtpd_tls_cert_file = /etc/letsencrypt/live/yourdomain.com/fullchain.pem # smtpd_tls_key_file = /etc/letsencrypt/live/yourdomain.com/privkey.pem ``` Configure SPF, DKIM, and DMARC records: ``` # DNS TXT records: # SPF: v=spf1 ip4:YOUR_VPS_IP -all # DKIM: v=DKIM1; k=rsa; p=YOUR_PUBLIC_KEY # DMARC: v=DMARC1; p=quarantine; rua=mailto:dmarc@yourdomain.com ``` Rspamd handles spam scoring and greylisting. Correct SPF/DKIM/DMARC configuration is essential for deliverability to Gmail, Outlook, and Yahoo. Without these records, your email will be spam-filtered.

Fresh VPS IP addresses start with no reputation. Major email providers like Gmail and Microsoft 365 score incoming email partly based on IP reputation. A new IP that immediately sends 100,000 emails will likely be spam-blocked. Warmup schedule: Start with 100-500 emails/day in week 1. Double per week for 4-6 weeks until you reach your target volume. During warmup, monitor deliverability using tools like Mail-Tester and GlockApps. Romania and Iceland IPs from Anubiz Host are generally clean (not previously used for spam). Before starting your warmup, verify your IP is not on major blocklists: check MXToolbox blacklist lookup. Alternative: purchase a dedicated IP from your ESP, warm it up through the ESP, then transition sending to your self-hosted server using that reputation-established IP. More complex but faster to full deliverability.

CAN-SPAM (US) requires: clear sender identification, opt-out mechanism honored within 10 business days, physical mailing address in email, no deceptive headers. Violations carry per-email fines. GDPR (EU) for EU recipients: requires explicit consent for marketing email, right to erasure, data minimization. Email list must be opted-in, not purchased or scraped. CASL (Canada): similar to GDPR with express consent requirements. Offshore hosting on a Romanian VPS does not exempt you from these regulations if you are marketing to US, EU, or Canadian recipients. The regulations are based on where recipients are located, not where your server is. Your VPS gives you control over sending infrastructure - responsibility for legal compliance in email marketing is always with the sender.