Free Email Tester: The Quick, Precise Deliverability Test & Spam Checker
Welcome to Inbox, Spam, or Promotions — the 100% free email tester created by Ajay Goel, GMass founder and one of the world’s leading Gmail experts! Is your email campaign destined for the inbox or the spam folder? Now you can check deliverability in advance.
With this free email tester , you’ll send your campaign from any email marketing service to a group of specific addresses — and watch your deliverability test in real time .
Our email deliverability tester is also a spam checker ; some of the accounts even have popular spam filters installed like Barracuda, Mimecast, and Sophos.
Ready to test your email deliverability? Let’s go!
1. Start the Free Email Tester by Sending Your Campaign to These 16 Addresses
Copy these addresses to clipboard.
Success! Now use your favorite email marketing app to send to these addresses.
ajaygoel999@gmail.com, test@chromecompete.com, test@ajaygoel.org, me@dropboxslideshow.com, test@wordzen.com, rajgoel8477@gmail.com, rajanderson8477@gmail.com, rajwilson8477@gmail.com, briansmith8477@gmail.com, oliviasmith8477@gmail.com, ashsmith8477@gmail.com, shellysmith8477@gmail.com, ajay@madsciencekidz.com, ajay2@ctopowered.com, ajay@arena.tec.br, ajay@daustin.co
2. Watch Your Deliverability Test and Spam Checker in Real Time as Your Emails Land in the Accounts Below
ajaygoel999@gmail.com
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Automatic reply: Complete setup in one click
4 seconds ago
Spam
Automatic reply: Tap below to confirm
5 seconds ago
Spam
Automatic reply: Verify and explore
9 seconds ago
Spam
Care Desk yokoonogdfg@xxxxx.comOfficial Verification – 21-08-2025 Reply from James
10 seconds ago
Spam
BDO eduardo.castellanos@xxxxxxxxxxxxx.emailAlert- Multiple acessed has been detected from (Bacolod). Ref# -581557460
12 seconds ago
Spam
Automatic reply: Verify your email in 10 seconds
13 seconds ago
Spam
Automatic reply: Please verify to move forward
15 seconds ago
Spam
Automatic reply: You’re nearly there – confirm email
16 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
16 seconds ago
Spam
Invoice yokoonogdfg@xxxxx.comAccount Verified Today – 21-08-2025 (James Confirmation)
18 seconds ago
Spam
test@chromecompete.com
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Essie W. Taylor acholoa86@xxxxx.comFWD: INV-ZDOCQ87472 Test test@chromecompete.com2025-08-21 8:07 AM
28 seconds ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek jQyMDVpoh3
59 seconds ago
Primary Inbox
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
1 minute ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek BRG4xNI5XK
1 minute ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-ECGTF36102 Settlement ready for test@chromecompete.com2025-08-21 8:05 AM
1 minute ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek BlVY9nEIwS
3 minutes ago
Primary Inbox
Invoice yokoo7499@xxxxx.comPlan Enrollment Officially Confirmed
3 minutes ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-NVXPB27246 Agradecemos su inscripción 2025-08-21 8:03 AM
4 minutes ago
Primary Inbox
Ashley Rodriguez dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Ashley Rodriguez
4 minutes ago
Spam
test@ajaygoel.org
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Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek ERJCBiwUIr
20 seconds ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-EJIFH9395 Test test@ajaygoel.org2025-08-21 8:07 AM
32 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek IEsFOPdQQh
1 minute ago
Spam
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
1 minute ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek VGAIyYhzBD
1 minute ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-JCUIE72416 Settlement ready for test@ajaygoel.org2025-08-21 8:05 AM
2 minutes ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek tBxnlB64bc
3 minutes ago
Primary Inbox
Xero Accounts oy06844@xxxxx.comAutomatic 21-08-2025 statement copy Reply from Ella
3 minutes ago
Primary Inbox
Ashley Rodriguez dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Ashley Rodriguez
4 minutes ago
Spam
me@dropboxslideshow.com
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Pump.fun pump-fun-6261@xxx.czToken program eligibility
17 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek RnYgmFMlPc
19 seconds ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-BAHCC28298 Test me@dropboxslideshow.com2025-08-21 8:07 AM
31 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek sH09uxvNL8
1 minute ago
Spam
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
1 minute ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek gQ129cdbmr
1 minute ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-RKROI73558 Settlement ready for me@dropboxslideshow.com2025-08-21 8:05 AM
2 minutes ago
Spam
Pump.fun pump-fun-5261@xxx.czToken program eligibility
2 minutes ago
Spam
Pump.fun pump-fun-9117@xxx.czToken program eligibility
2 minutes ago
Primary Inbox
test@wordzen.com
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Xero Accounts yokofgbdfh@xxxxx.comAutomatic 21-08-2025 statement copy Reply from Ella
1 second ago
Primary Inbox
Pump.fun pump-fun-6261@xxx.czToken program eligibility
16 seconds ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-QKEVB80798 Test test@wordzen.com2025-08-21 8:07 AM
31 seconds ago
Spam
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
1 minute ago
Spam
Invoice ono962934@xxxxx.comService Account Secured – Verified 21-08-2025 Reply James
1 minute ago
Spam
Care Desk ono962934@xxxxx.comOfficial Verification – 21-08-2025 Reply from James
1 minute ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-EVPWD47860 Settlement ready for test@wordzen.com2025-08-21 8:05 AM
2 minutes ago
Spam
Pump.fun pump-fun-2078@xxx.czToken program eligibility
2 minutes ago
Primary Inbox
Pump.fun pump-fun-4904@xxx.czToken program eligibility
2 minutes ago
Primary Inbox
rajgoel8477@gmail.com
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Automatic reply: Access pending confirmation
6 seconds ago
Spam
Amazon Billing Desk onoy4422@xxxxx.comAutomatic 21-08-2025 receipt file Reply from Benjamin
11 seconds ago
Spam
Automatic reply: Confirm your email and sign in
13 seconds ago
Spam
Automatic reply: Don’t forget to confirm your email
13 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
15 seconds ago
Spam
Automatic reply: Verify your email in 10 seconds
15 seconds ago
Spam
Automatic reply: Tap below to confirm
17 seconds ago
Spam
Automatic reply: One tap to go
18 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek mpJm7WNA47
19 seconds ago
Primary Inbox
BDO eduardo.castellanos@xxxxxxxxxxxxx.emailAlert- Multiple acessed has been detected from (Bacolod). Ref# -733124278
20 seconds ago
Primary Inbox
rajanderson8477@gmail.com
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Automatic reply: Verify and explore
5 seconds ago
Spam
Automatic reply: Your setup isn’t complete
12 seconds ago
Spam
Automatic reply: Finish what you started
14 seconds ago
Spam
Automatic reply: Please activate your email
15 seconds ago
Spam
Automatic reply: Approve your registration
15 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
17 seconds ago
Spam
BDO eduardo.castellanos@xxxxxxxxxxxxx.emailAlert- Multiple acessed has been detected from (Bacolod). Ref# -819127712
17 seconds ago
Spam
Automatic reply: Don’t forget to confirm your email
17 seconds ago
Spam
Automatic reply: Last step: validate email
18 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek Lf1qYmtxo1
20 seconds ago
Primary Inbox
rajwilson8477@gmail.com
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Automatic reply: One tap to go
3 seconds ago
Spam
Automatic reply: Finish creating your account
4 seconds ago
Spam
Automatic reply: Complete setup in one click
6 seconds ago
Spam
Automatic reply: You’re nearly there – confirm email
7 seconds ago
Spam
Automatic reply: Final step before you’re in
10 seconds ago
Spam
Automatic reply: Finish what you started
10 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
15 seconds ago
Spam
Automatic reply: Email verification in progress
17 seconds ago
Spam
Automatic reply: Approve your registration
17 seconds ago
Spam
Automatic reply: Confirm your email and sign in
18 seconds ago
Spam
briansmith8477@gmail.com
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Automatic reply: One click to activate
12 seconds ago
Spam
Automatic reply: Tap below to confirm
13 seconds ago
Spam
Automatic reply: Complete setup in one click
14 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
16 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek Bpocfxguha
17 seconds ago
Primary Inbox
Automatic reply: Finish creating your account
18 seconds ago
Spam
Automatic reply: Last step: validate email
18 seconds ago
Spam
BDO eduardo.castellanos@xxxxxxxxxxxxx.emailAlert- Multiple acessed has been detected from (Bacolod). Ref# -630028983
21 seconds ago
Primary Inbox
Automatic reply: Confirm to unlock features
21 seconds ago
Spam
AutoQuoteComparison diio43k7-no_reply@xxxxxxxxxxx.comBRIANSMITH8477 DRIVING RECORDS 6UP<>DATED Aug 21th 2025 NEW RATE [PENDNG]
22 seconds ago
Primary Inbox
oliviasmith8477@gmail.com
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Automatic reply: Verification needed to continue
3 seconds ago
Spam
Automatic reply: Complete your profile
5 seconds ago
Spam
AutoQuoteComparison kbzgt3lc-no_reply@xxxxxxxxx.comOLIVIASMITH8477 DRIVING RECORDS 6UP<>DATED Aug 20th 2025 NEW RATE [PENDNG]
5 seconds ago
Primary Inbox
Automatic reply: Confirm your email and sign in
7 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
7 seconds ago
Spam
Automatic reply: Please activate your email
9 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek wH6G9bASNt
10 seconds ago
Primary Inbox
BDO eduardo.castellanos@xxxxxxxxxxxxx.emailAlert- Multiple acessed has been detected from (Bacolod). Ref# -884946892
12 seconds ago
Spam
Automatic reply: Verify and explore
12 seconds ago
Spam
Automatic reply: Don’t forget to confirm your email
13 seconds ago
Spam
ashsmith8477@gmail.com
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Automatic reply: Final step before you’re in
1 second ago
Spam
Automatic reply: Complete setup in one click
3 seconds ago
Spam
Automatic reply: Confirm your email now
6 seconds ago
Spam
Automatic reply: One tap to go
6 seconds ago
Spam
Automatic reply: Set up your access
7 seconds ago
Spam
Automatic reply: Finish what you started
8 seconds ago
Spam
Automatic reply: Access pending confirmation
10 seconds ago
Spam
Automatic reply: Verify and explore
11 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
12 seconds ago
Spam
BDO eduardo.castellanos@xxxxxxxxxxxxx.emailAlert- Multiple acessed has been detected from (Bacolod). Ref# -056305563
15 seconds ago
Primary Inbox
shellysmith8477@gmail.com
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Automatic reply: Complete your profile
6 seconds ago
Spam
Automatic reply: Please activate your email
6 seconds ago
Spam
Automatic reply: Confirm to unlock features
9 seconds ago
Spam
Automatic reply: Email verification in progress
12 seconds ago
Spam
BDO eduardo.castellanos@xxxxxxxxxxxxx.emailAlert- Multiple acessed has been detected from (Bacolod). Ref# -055217543
12 seconds ago
Primary Inbox
Automatic reply: One tap to go
15 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
17 seconds ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-WMSKE94912 Test shellysmith8477@gmail.com2025-08-21 8:07 AM
17 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek rdkCGZ1BPe
20 seconds ago
Primary Inbox
AutoQuoteComparison 2utxom58-no_reply@xxxxxxxxxxx.comSHELLYSMITH8477 DRIVING RECORDS 6UP<>DATED Aug 21th 2025 NEW RATE [PENDNG]
20 seconds ago
Primary Inbox
ajay@madsciencekidz.com
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Essie W. Taylor acholoa86@xxxxx.comFWD: INV-QHGZF39948 Test ajay@madsciencekidz.com2025-08-21 8:07 AM
14 seconds ago
Primary Inbox
Pump.fun pump-fun-6261@xxx.czToken program eligibility
17 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek 9R5HDvANN2
19 seconds ago
Primary Inbox
TodayWinner. onoy1306@xxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Maren Solvik
42 seconds ago
Spam
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
56 seconds ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek npQRqx38nx
1 minute ago
Primary Inbox
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-CATRA9836 Settlement ready for ajay@madsciencekidz.com2025-08-21 8:06 AM
1 minute ago
Primary Inbox
Tom Harrison from Best Investing Time alerts@xxxxxxxxxxxxxxxxxxxxxxxxxx.comThe Hidden $20 Stock Billionaires & Congress Are Buying
1 minute ago
Promotions
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek yFnpzr3k1c
1 minute ago
Primary Inbox
ajay2@ctopowered.com
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Credit Risk Conference - Singapore, May 2026 (Pre- Mailer)
15 seconds ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-VAWYK10233 Test ajay2@ctopowered.com2025-08-21 8:07 AM
15 seconds ago
Spam
Pump.fun pump-fun-6261@xxx.czToken program eligibility
17 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek i3MkknQTgM
19 seconds ago
Primary Inbox
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
55 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek GNgMc7G4Pk
1 minute ago
Primary Inbox
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-WWXMO72158 Settlement ready for ajay2@ctopowered.com2025-08-21 8:06 AM
1 minute ago
Spam
Verification Center yoko91360@xxxxx.comService Plan Activation Confirmation Receipt
1 minute ago
Spam
Invoice onoy4563@xxxxx.comVerified Enrollment Confirmation Notice
1 minute ago
Spam
ajay@arena.tec.br
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Essie W. Taylor acholoa86@xxxxx.comFWD: INV-NDWUB41240 Test ajay@arena.tec.br2025-08-21 8:07 AM
15 seconds ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek 4LiDMCcCIw
19 seconds ago
Primary Inbox
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
53 seconds ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek 9KBxDjni8M
1 minute ago
Primary Inbox
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-ELJRT68684 Settlement ready for ajay@arena.tec.br2025-08-21 8:06 AM
1 minute ago
Spam
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek 8PaZopW38T
1 minute ago
Primary Inbox
Matthew Higgins onoy4514@xxxxx.comAutomatic 21-08-2025 account verification Reply from James
2 minutes ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek UzCAdJRvVl
3 minutes ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-MZBJH28471 Agradecemos su inscripción 2025-08-21 8:03 AM
3 minutes ago
Primary Inbox
ajay@daustin.co
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Essie W. Taylor acholoa86@xxxxx.comFWD: INV-YIQDV15667 Test ajay@daustin.co2025-08-21 8:07 AM
6 seconds ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek elp7WUR9LM
20 seconds ago
Primary Inbox
Rae Kunze dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Rae Kunze
52 seconds ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek aOqKAkLAyk
1 minute ago
Primary Inbox
Richard Kennedy richard.kennedy@xxxxxxxxxxxxxxxxxxxxxx.comTest
1 minute ago
Spam
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-QZGYY64255 Settlement ready for ajay@daustin.co2025-08-21 8:06 AM
1 minute ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek 4R5QJLIBvb
1 minute ago
Primary Inbox
Silven Morvek ColinMcLean444@xxxxxx.comFWD: registration ticket snapshot on 21-08-2025 for Silven Morvek dkO7r4PU5I
3 minutes ago
Primary Inbox
Essie W. Taylor acholoa86@xxxxx.comFWD: INV-PSOEI37891 Agradecemos su inscripción 2025-08-21 8:04 AM
3 minutes ago
Primary Inbox
Ashley Rodriguez dellastone360@xxxxx.comFWD: registration ticket snapshot on 20-08-2025 for Ashley Rodriguez
3 minutes ago
Spam
Fixing Your Email Campaign Based on Mail Tester Results
If the deliverability test came up “spam,” here are short-term and longer-term solutions.
Quick deliverability fixes you can try for *this* campaign
Long-term solutions are great… but we need to get this campaign into people’s inboxes. Here are some tweaks to try:
Adjust images. Remove any images. Or, if you’re sending with Gmail, use embedded images versus hosted images .Plain text. Send the email as plain text. And try making the subject line all lowercase.Remove certain links. Remove the unsubscribe link. And turn off open and click tracking.Check the technical side. Use our free Email Analyzer to see if your emails are passing SPF and DKIM.
GMass users have access to our unique Spam Solver tool, the easiest way to test deliverability, tweak an email, then re-test until you’re hitting the inbox. Learn more about Spam Solver.
Longer term deliverability fixes so future emails will hit the inbox, not spam folder
You can train Google and the other email providers to (almost) always place your emails in the inbox.
Send email people want. Don't send spam. Send email that people will want to open and reply to.
Set up a custom tracking domain. Open and click tracking without any other sender’s reputation potentially affecting yours.
Verify emails before you send. GMass has a free email verifier tool (yeah, we have lots of free deliverability tools ). Test your list before you send to avoid bounces; they can impact deliverability.
Love Our Free Email Tester? See Why 99% of GMass Users Report the Best Deliverability They’ve Ever Had
Not seeing the deliverability numbers you want from your cold email or email marketing platform? 99% of GMass users report the best deliverability they’ve ever had.
Learn more about GMass by taking the tour — but really, the best way to see how GMass will work for you is to download the Chrome extension . It’s free to start — send up to 50 emails every day until you’re ready to upgrade.
Transform your Gmail account into an email marketing powerhouse
GMass is easy to learn and easy to use — but brings unbelievable email power into Gmail
