下面這些的主題行很多都是可以用于外貿開發信信的，但并不是全部都合適，請大家根據自己的情況來選項。

另外，也希望這些經過驗證的優質主題行可以幫助你在寫外貿開發信時給你更多啟發和靈感。

01 用于向潛在客戶介紹優惠的開發信郵件主題行

• Earn double points today
• Feeling [Emotion] I can help!
• Your free [promotion] is waiting for you
• A complimentary upgrade with every purchase
• Your all-access pass to our upcoming webinar series
• I’m ready to listen
• Come celebrate with us!
• We’re saving a spot for you.
• Professional development opportunity

02 數據驅動的開發信郵件主題行

• The real reason [X] needs [Y]
• The data behind [event]
• The tool 78% of managers want
• The 12 reasons your email isn’t getting opened
• Science says you’re more likely to buy based on these 5 factors.
• 98% of moms want this for Mother’s Day
• 5 tips, tricks, and trends to ensure fast growth
• Our most complete guide to [industry]
• What’s affecting [X] this week

03 讓你的目標受眾感到好奇的開發信郵件主題行

• Don’t miss out!
• Quick question
• What I found on your website
• You were just matched.
• Here’s your chance:
• I wouldn’t ask if it weren’t important.
• What are you missing?
• I’d love to help you, [name]
• These 4 brands have a story to tell.

04 基于流行文化的開發信郵件主題行

• What your business can learn from the royal family
• Three clever marketing lessons from the Super Bowl
• Go Spurs go!
• 6 reasons you want Arya Stark on your [department] team
• Business management fixer-upper, Joanna Gaines style

05 電商業務中最引人注目的的郵件主題行

• It’s almost gone
• I didn’t want you to miss out.
• Don’t let FOMO ruin your weekend.
• A [better/smarter/faster] way to [reach a specific goal]
• Free shipping ends tonight.
• Almost finished
• Live training – starting now!
• Don’t wait
• Get our [X] package with purchase – today only

06 基于第三方背書的郵件主題行

• [Friend name] mentioned you
• Our mutual connections at [vendor]
• The [mutual group] LinkedIn group
• A friend of [friend’s name]

07 基于讓生活更舒適來吸引人們的開發信郵件主題行

• Download our white paper
• How we helped [customer] save $30,000
• Try out my new custom font.
• We just released new updates.
• Offering a website audit
• 100 cold email subject lines you can use
• Help me help you
• Learn to [talent] ridiculously well
• Steal my marketing strategy

（來源：紅板磚開發信）
以上內容屬作者個人觀點，不代表雨果網立場！本文經原作者授權轉載，轉載需經原作者授權同意。

（來源：紅板磚開發信）