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Mail & DNS
← All servicesMail deliverability expert. When your mail lands in spam, you have SPF/DKIM/DMARC issues, or Postfix configuration problems.
Typical problems I solve
Spam
Mail landing in spam at Gmail, Outlook, or other providers
SPF
SPF failures, too many DNS lookups, record too long
DKIM
DKIM signature invalid, key rotation problems
DMARC
DMARC reports full of failures, policy unclear
Blacklist
IP on blacklist, delisting not working
Delivery
Mail not arriving, no bounce, no error
Specific
This is what I have experience with and can help you with.
- → SPF, DKIM, DMARC configuration & troubleshooting
- → Postfix/SMTP flows
- → Mail server setup & hardening
- → DNS configuration & propagation issues
- → Blacklist removal & reputation management
- → Email authentication debugging
Email Authentication
SPF DKIM DMARC BIMI MTA-STS
Mail Servers
Postfix Dovecot Rspamd SpamAssassin
Mail Deliverability Audit
Complete analysis of your mail setup: DNS records, authentication, server configuration, and reputation. Including concrete recommendations and implementation support.
Need help with mail & dns?
Get in touch for a no-obligation conversation. Response same day.