Understand bounce codes (4xx/5xx) and the most common reasons like user unknown, mailbox full, or spam rejection.
Set up SPF, DKIM, and DMARC for your domain on GARMTECH to improve email deliverability and reduce spam issues.
To use Microsoft 365 with your domain you must add the DNS records provided by Microsoft. This guide shows where to add them in My.GARMTECH and what to check before switching email.
Fix SPF PermError by consolidating SPF records and reducing DNS lookups to stay within SPF limits.
Checklist to reduce spam placement: SPF/DKIM/DMARC, authenticated SMTP, content tips, and reputation basics.
Fix SMTP sending errors by using the correct GARMTECH server hostname, SSL port 465, and enabling SMTP authentication (or app passwords for 2FA).
If contact form emails are missing, set a proper From/Reply-To, use authenticated SMTP (port 465), and verify SPF/DKIM/DMARC for reliable delivery.
How to recognize phishing emails pretending to be “webmail upgrades”, how to log in to GARMTECH.Email safely, and what to do if you clicked a suspicious link.
What to do if emails are sent from your address without your action: immediate security steps, what to check in webmail, and how to prevent повторные incidents.
Learn how to use Spam/Junk folders, mark spam correctly, and whitelist trusted senders in GARMTECH.Email to reduce false positives.