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Update: mx lookup failure fallback

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hyzen
2026-02-08 21:10:48 +05:30
parent 8f6aac471e
commit c10e90592d
1 changed files with 40 additions and 23 deletions
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63
mutt-add-account.sh
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@@ -76,6 +76,8 @@ echo "Searching for server settings..."
# Try to get MX record and extract mail server
mx_record=$(dig +short MX "$email_domain" 2>/dev/null | sort -n | head -1 | awk '{print $2}' | sed 's/\.$//')
detection_failed=false
if [ -n "$mx_record" ]; then
# Got MX record, try common IMAP server patterns
base_domain=$(echo "$mx_record" | sed 's/^smtp\.//' | sed 's/^mx[0-9]*\.//' | sed 's/^mail\.//')
@@ -98,36 +100,51 @@ if [ -n "$mx_record" ]; then
detected_smtp="$detected_imap"
fi
else
# Fallback if MX lookup fails
detected_imap="mail.${email_domain}"
detected_smtp="mail.${email_domain}"
# MX lookup failed - check if domain itself exists
if host "$email_domain" &>/dev/null; then
detected_imap="mail.${email_domain}"
detected_smtp="mail.${email_domain}"
else
detection_failed=true
fi
fi
# Detect port by testing common ports
detected_port="465"
if timeout 2 bash -c "echo -n '' > /dev/tcp/$detected_smtp/587" 2>/dev/null; then
detected_port="587"
elif timeout 2 bash -c "echo -n '' > /dev/tcp/$detected_smtp/465" 2>/dev/null; then
if [ "$detection_failed" = false ]; then
# Detect port by testing common ports
detected_port="465"
fi
if timeout 2 bash -c "echo -n '' > /dev/tcp/$detected_smtp/587" 2>/dev/null; then
detected_port="587"
elif timeout 2 bash -c "echo -n '' > /dev/tcp/$detected_smtp/465" 2>/dev/null; then
detected_port="465"
fi
# Show detected settings
echo ""
echo "Detected settings:"
echo " IMAP server: $detected_imap"
echo " SMTP server: $detected_smtp"
echo " SMTP port: $detected_port"
echo ""
# Show detected settings
echo ""
echo "Detected settings:"
echo " IMAP server: $detected_imap"
echo " SMTP server: $detected_smtp"
echo " SMTP port: $detected_port"
echo ""
read -p "Are these settings correct? (y/n): " confirm
read -p "Are these settings correct? (y/n): " confirm
if [[ "$confirm" =~ ^[Yy]$ ]]; then
# Use detected settings
imap_server="$detected_imap"
smtp_server="$detected_smtp"
smtp_port="$detected_port"
if [[ "$confirm" =~ ^[Yy]$ ]]; then
# Use detected settings
imap_server="$detected_imap"
smtp_server="$detected_smtp"
smtp_port="$detected_port"
else
# Manual entry
echo "Please enter settings manually:"
read -p "Enter IMAP server: " imap_server
read -p "Enter SMTP server: " smtp_server
read -p "Enter SMTP port (465 for SSL/TLS, 587 for STARTTLS) [465]: " smtp_port
smtp_port=${smtp_port:-465}
fi
else
# Manual entry
# Detection completely failed
echo ""
echo "Could not auto-detect mail server settings for $email_domain"
echo "Please enter settings manually:"
read -p "Enter IMAP server: " imap_server
read -p "Enter SMTP server: " smtp_server