Google updating its AI/ML Spam detection?

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Signed up for GlockApps and received their email in spam.

Is GlockApps any good lately?

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I've been obsessing over cold email for a while.
Here's the framework I keep coming back to.

1. Subject line (get the open)
Your subject line has one job: not get deleted. That's it.

What works:
- Lowercase, looks like a personal email ("[industry] query" / "idea for [company]")
- Specificity signals relevance ("noticed you just hired 3 AEs")
- Short beats clever (under 6 words almost always wins)

What kills it:
- Anything that sounds like marketing ("Increase your revenue by 3x!")
- Their first name in the subject line (feels like a template)
- Punctuation spam

2. Opener
Most people open with "My name is X and I work at Y." Delete that. Nobody cares yet.
Instead, open with them. One specific, true sentence about their world:
"Saw that [Company] just expanded into the EU that's a tough market to get traction in fast."
The goal is: "How did they know that?" That curiosity pulls them through.

3. Body
2-3 sentences. You get about 5 seconds. Use them:
- What you do (one line, no jargon)
- Why it's relevant to them specifically (not "companies like yours")
- A proof point (customer, result, or credible signal)
If you can't explain why this person specifically should care, you're not ready to send.

4. CTA
Make it easy to say yes.
The biggest CTA mistake: asking for a 30-minute call from a stranger who has no context.

Better options:
- "Happy to send over a one-pager if helpful."
- "Does this resonate at all?" (low commitment, high signal)
One ask. No options.

The variables that move reply rate the most (ranked)
- List quality (wrong ICP = no reply rate optimization will save you)
- Relevance of trigger (did something just happen in their world that makes now the right time?)
- Specificity of opener (generic = ignored)
- Follow-up discipline (most replies come on email 2 or 3)
- Send time (Tue/Wed/Thu mornings, but honestly it's the last thing to optimize)

Follow-up framework
Email 1: Full pitch
Email 2 (3 days later): Bump with one new angle or asset ("thought this case study might be relevant")
Email 3 (5 days later): Short. "Still worth connecting?"
Email 4 (7 days later): Breakup. "I'll stop reaching out but if timing changes, here's how to find me."

The breakup email frequently gets the highest reply rate of the sequence. Don't skip it.

I've been obsessing over cold email for a while.
Here's the framework I keep coming back to.

1. Subject line (get the open)
Your subject line has one job: not get deleted. That's it.

What works:
- Lowercase, looks like a personal email ("[industry] query" / "idea for [company]")
- Specificity signals relevance ("noticed you just hired 3 AEs")
- Short beats clever (under 6 words almost always wins)

What kills it:
- Anything that sounds like marketing ("Increase your revenue by 3x!")
- Their first name in the subject line (feels like a template)
- Punctuation spam

2. Opener
Most people open with "My name is X and I work at Y." Delete that. Nobody cares yet.
Instead, open with them. One specific, true sentence about their world:
"Saw that [Company] just expanded into the EU that's a tough market to get traction in fast."
The goal is: "How did they know that?" That curiosity pulls them through.

3. Body
2-3 sentences. You get about 5 seconds. Use them:
- What you do (one line, no jargon)
- Why it's relevant to them specifically (not "companies like yours")
- A proof point (customer, result, or credible signal)
If you can't explain why this person specifically should care, you're not ready to send.

4. CTA
Make it easy to say yes.
The biggest CTA mistake: asking for a 30-minute call from a stranger who has no context.

Better options:
- "Happy to send over a one-pager if helpful."
- "Does this resonate at all?" (low commitment, high signal)
One ask. No options.

The variables that move reply rate the most (ranked)
- Relevance of trigger (did something just happen in their world that makes now the right time?)
- Specificity of opener (generic = ignored)
- List quality (wrong ICP = no reply rate optimization will save you)
- Follow-up discipline (most replies come on email 2 or 3)
- Send time (Tue/Wed/Thu mornings, but honestly it's the last thing to optimize)

Follow-up framework
Email 1: Full pitch
Email 2 (3 days later): Bump with one new angle or asset ("thought this case study might be relevant")
Email 3 (5 days later): Short. "Still worth connecting?"
Email 4 (7 days later): Breakup. "I'll stop reaching out but if timing changes, here's how to find me."

The breakup email frequently gets the highest reply rate of the sequence. Don't skip it.

When visiting the subreddit it shows, unmoderated.
But is that the reason?

Whether you're a founder, agency owner, SDR, marketer, or growth operator—welcome.

This community exists for one purpose:

Helping each other generate more pipeline and revenue through cold email and outbound GTM.

Here you'll find discussions around:

• Cold email strategy
• Deliverability & inbox placement
• Domain reputation & infrastructure
• Lead generation & prospecting
• Copywriting & personalization
• AI SDRs & automation
• Outbound systems & workflows
• Campaign breakdowns & case studies
• GTM experiments & lessons learned

Community Rules

1. Share real experiences.
2. Be helpful and respectful.
3. No spam or low-effort promotion.
4. If you share results, include context.
5. Teach what works and what doesn't.

Introduce Yourself 👋

Drop a comment with:

• What you do
• Your industry
• How many cold emails you send per month
• Your biggest outbound challenge right now

Let's build the best cold email and outbound GTM community on Reddit.

Glad you're here.

Hi everyone,

I'm curious to learn how many of you include cold emailing as part of your go-to-market (GTM) strategy.

What tools or platforms have you used for prospecting, outreach, personalization, and email sequencing? Have your campaigns generated meaningful results in terms of meetings, leads, or revenue?

Also, what has been the biggest challenge or most frustrating aspect of cold emailing for you? Was it finding quality leads, deliverability issues, personalization at scale, low response rates, inbox placement, or something else?

Looking forward to hearing about your experiences, lessons learned, and the tools that have worked best for you.

Hi everyone,

I'm curious to learn how many of you include cold emailing as part of your go-to-market (GTM) strategy.

What tools or platforms have you used for prospecting, outreach, personalization, and email sequencing? Have your campaigns generated meaningful results in terms of meetings, leads, or revenue?

Also, what has been the biggest challenge or most frustrating aspect of cold emailing for you? Was it finding quality leads, deliverability issues, personalization at scale, low response rates, inbox placement, or something else?

Looking forward to hearing about your experiences, lessons learned, and the tools that have worked best for you.