Understanding Yesterdays.co

Yesterdays.co is a company that operates in a specific industry, with a domain that has a catchall setup. This means that emails sent to non-existent addresses within the domain will still be received by the mail server, making it challenging to verify email addresses using traditional methods.

The Challenges of Verifying Emails at Yesterdays.co

Verifying email addresses at yesterdays.co can be tricky due to several reasons:

• Catchall Emails: Yesterdays.co uses a catchall setup, which makes it difficult for traditional email verification services to accurately verify email addresses. Services like Emailable, NeverBounce, ZeroBounce, DeBounce, SendGrid, Snov, RocketReach, and Hunter are unable to verify catchall emails.
• Email Security Gateways (ESGs): Yesterdays.co may use ESGs like Cisco Secure Email (ESA), Barracuda, Proofpoint, Abnormal Security, Mimecast, SpamTitan, Checkpoint, Forrester, Sophos, etc. to filter out spam emails. This can make it challenging for traditional verification services to verify emails.
• Lack of Bounce Messages: Yesterdays.co may not always return a bounce message even if you send test messages to an invalid email address, making it difficult for services like Scrubby to verify emails.

The Risks of Not Verifying Emails at Yesterdays.co

Not verifying email addresses at yesterdays.co can lead to several risks:

• High Bounce Rates: If you don't verify emails, your list will be outdated, resulting in high bounce rates, damaging your sending reputation, and affecting your delivery rate, open rate, and click rate.
• Risky Emails: Other services may leave most emails at yesterdays.co as risky, leaving you uncertain about how to handle them. If you keep the emails, you risk seeing a high bounce; if you delete all of them, you risk missing potentially valuable valid emails.

Using BounceBan to Verify Emails at Yesterdays.co

BounceBan is the only service capable of reliably verifying catchall emails and emails behind Email Security Gateways. Here's how to use BounceBan to verify emails from yesterdays.co:

• Individual Verification: Create a free account at https://bounceban.com/, go to the BounceBan dashboard https://bounceban.com/app/verify, enter the email for verification (e.g., xxx@yesterdays.co), and click the "Verify for free" button. BounceBan provides unlimited free single verifications.
• Bulk Verification: To verify emails from yesterdays.co and other domains in bulk, upload a CSV at https://bounceban.com/app/bulk/list.
• API Integration: If you're a developer, you can easily integrate via the APIs. API reference: https://bounceban.com/public/doc/api.html

Why Choose BounceBan?

BounceBan is the only service that can accurately verify over 80% of catchall emails with a 97%+ accuracy rate. Catchall emails that cannot be verified with certainty will be tagged as 'risky', accounting for about 20% or less. BounceBan's success rate in verifying catchall emails is on a consistent upward trajectory, and it verifies millions of emails daily using advanced AI to recognize patterns and enhance accuracy.

Frequently Asked Questions

General FAQs about Verifying Catchall Risky Emails from Yesterdays.co

1. What is the main challenge in verifying emails at yesterdays.co? Answer: The main challenge is the catchall setup, which makes it difficult for traditional email verification services to accurately verify email addresses.
2. Why are traditional email verification services unable to verify catchall emails? Answer: Traditional email verification services use simple SMTP tests that are easily blocked by Email Security Gateways (ESGs), making them ineffective in verifying catchall emails.
3. What is the risk of not verifying emails at yesterdays.co? Answer: Not verifying emails can lead to high bounce rates, damaging your sending reputation, and affecting your delivery rate, open rate, and click rate.
4. How does BounceBan verify catchall emails? Answer: BounceBan uses advanced AI to recognize patterns and enhance accuracy, allowing it to accurately verify over 80% of catchall emails.
5. Is BounceBan compliant with GDPR? Answer: Yes, BounceBan is compliant with GDPR and does not require sending actual emails to verify email addresses.

FAQs about How BounceBan Can Help Verify Emails at Yesterdays.co

1. How does BounceBan help verify emails at yesterdays.co? Answer: BounceBan uses advanced AI to accurately verify catchall emails and emails behind Email Security Gateways.
2. What is the accuracy rate of BounceBan in verifying catchall emails? Answer: BounceBan has a 97%+ accuracy rate in verifying catchall emails.
3. Can BounceBan verify emails in bulk? Answer: Yes, BounceBan allows you to verify emails in bulk by uploading a CSV file.
4. Is BounceBan easy to integrate? Answer: Yes, BounceBan provides a simple API integration process for developers.
5. Is BounceBan free to use? Answer: Yes, BounceBan provides unlimited free single verifications, and you can also upload a CSV file for bulk verification.

FAQs about Yesterdays.co

1. What is the domain of Yesterdays.co? Answer: The domain of Yesterdays.co is yesterdays.co.
2. Is Yesterdays.co a catchall domain? Answer: Yes, Yesterdays.co is a catchall domain.
3. What is the most common email pattern at Yesterdays.co? Answer: The most common email pattern at Yesterdays.co is j.smith@yesterdays.co (30%).
4. What are the MX records for Yesterdays.co? Answer: The MX records for Yesterdays.co are mx2.mailchannels.net and mx1.mailchannels.net.
5. What industry does Yesterdays.co operate in? Answer: The industry of Yesterdays.co is not publicly disclosed.
6. What is the address of Yesterdays.co? Answer: The address of Yesterdays.co is not publicly disclosed.
7. Can I verify email addresses at Yesterdays.co using traditional email verification services? Answer: No, traditional email verification services are unable to verify catchall emails at Yesterdays.co.
8. What is the best service to verify email addresses at Yesterdays.co? Answer: BounceBan is the best service to verify email addresses at Yesterdays.co.
9. Can I verify emails at Yesterdays.co using Scrubby? Answer: No, Scrubby is not effective in verifying emails at Yesterdays.co due to the catchall setup.
10. What is the benefit of using BounceBan to verify emails at Yesterdays.co? Answer: BounceBan provides accurate verification of catchall emails, reducing bounce rates and improving sending reputation.